Callista

Callista acerosa
Callista acerosa is a hot growing epiphytic orchid.

Callista acicularis
Callista acicularis is an epiphytic orchid.

Callista acinaciformis
Callista acinaciformis is a cool to warm growing epiphytic orchid.

Callista acrobatica
Callista acrobatica is a miniature cool to warm growing epiphytic orchid.

Callista acuminatissima
Callista acuminatissima is a cool to warm growing orchid.

Callista adae
Callista adae is a medium sized cool to warm growing epiphytic or lithophytic orchid.

Callista adunca
Callista adunca is a small to medium sized cool to warm growing epiphytic orchid.

Callista aemula
Callista aemula is a cool to warm growing epiphytic orchid.

Callista affinis
Callista affinis is a small to medium sized warm to hot growing epiphytic orchid.

Callista aggregata
Callista aggregata is a miniature to small sized cool to warm growing epiphytic orchid.

Callista agrostophylla
Callista agrostophylla is a cold to cool growing epiphytic orchid.

Callista albosanguinea
Callista albosanguinea is a small to medium sized cool to warm growing epiphytic orchid.

Callista aloifolia
Callista aloifolia is a hot growing orchid.

Callista alpestris
Callista alpestris is a cool to warm growing orchid.

Callista amabilis
Callista amabilis is a cool to warm growing epiphytic orchid.

Callista amboinensis
Callista amboinensis is a warm to hot growing orchid.

Callista amethystoglossa
Callista amethystoglossa is a large warm growing epiphytic or lithophytic orchid.

Callista amoena
Callista amoena is a medium to large sized cool to warm growing epiphytic orchid.

Callista ampla
Callista ampla is a cool to warm growing epiphytic or lithophytic orchid.

Callista anceps
Callista anceps is a small to large cool to warm growing epiphytic orchid.

Callista angulata

Callista angustifolia

Callista annamensis
Callista annamensis is a large cool to warm growing epiphytic orchid.

Callista anosma
Callista anosma is a warm to hot growing epiphytic orchid.

Callista antennata
Callista antennata is a small to large warm to hot growing epiphytic orchid.

Callista aphrodite
Callista aphrodite is a small to medium sized cool to warm growing epiphytic orchid.

Callista aphylla
Callista aphylla is a large cool to warm growing epiphytic or lithophytic orchid.

Callista appendiculata

Callista aquea
Callista aquea is a cold to warm growing orchid.

Callista arachnites
Callista arachnites is a cool to warm growing epiphytic orchid.

Callista attenuata

Callista aurantiaca
Callista aurantiaca is a medium to large sized cool to warm growing epiphytic or lithophytic orchid.

Callista aurea
Callista aurea is a giant cool to warm growing epiphytic orchid.

Callista aurorosea
Callista aurorosea is a medium sized cool to warm growing epiphytic orchid.

Callista baileyi
Callista baileyi is a hot growing orchid.

Callista bairdiana
Callista bairdiana is a miniature cool to warm growing epiphytic orchid.

Callista bambusifolia
Callista bambusifolia is a warm to hot growing epiphytic orchid.

Callista barbatula
Callista barbatula is a small to medium sized warm growing epiphytic orchid.

Callista beckleri
Callista beckleri is a cool to warm growing epiphytic or lithophytic orchid.

Callista bensoniae
Callista bensoniae is a medium sized cool to warm growing epiphytic orchid.

Callista bicamerata
Callista bicamerata is a cool to warm growing orchid.

Callista bicaudata
Callista bicaudata is a medium sized warm to hot growing epiphytic or lithophytic orchid.

Callista bicolor
Callista bicolor is a hot growing epiphytic orchid.

Callista bifalcis
Callista bifalcis is a hot growing epiphytic orchid.

Callista bifaria
Callista bifaria is a cool to hot growing orchid.

Callista biflora

Callista bigibba
Callista bigibba is a warm to hot growing epiphytic orchid.

Callista biloba
Callista biloba is a warm to hot growing epiphytic orchid.

Callista binnendykii
Callista binnendykii is a warm to hot growing epiphytic orchid.

Callista binocularis
Callista binocularis is a large cool to warm growing epiphytic or lithophytic orchid.

Callista bolboflora
Callista bolboflora is a cool to warm growing orchid.

Callista boothii
Callista boothii is a hot growing epiphytic orchid.

Callista borneoensis
Callista borneoensis is a warm growing epiphytic orchid.

Callista boxaleii
Callista boxaleii is a medium sized cool to warm growing epiphytic orchid.

Callista brachypetala
Callista brachypetala is a cool to hot growing epiphytic orchid.

Callista brachypus

Callista breviflora
Callista breviflora is a cool to warm growing orchid.

Callista brymerana
Callista brymerana is a small to medium sized cool to warm growing epiphytic orchid.

Callista bursigera
Callista bursigera is a medium to large sized cool to warm growing epiphytic orchid.

Callista calceola

Callista calophylla
Callista calophylla is a hot growing orchid.

Callista calopogon

Callista canaliculata
Callista canaliculata is a miniature warm to hot growing epiphytic orchid.

Callista candida
Callista candida is a small to large cool growing epiphytic orchid.

Callista capillipes
Callista capillipes is a miniature cool to warm growing epiphytic orchid.

Callista carinifera
Callista carinifera is a dwarf cool to warm growing epiphytic orchid.

Callista carnosa

Callista cathcartii
Callista cathcartii is a warm to hot growing epiphytic orchid.

Callista chrysantha
Callista chrysantha is a large cool to warm growing epiphytic, lithophytic or terrestrial orchid.

Callista chrysocrepis
Callista chrysocrepis is a cool to warm growing epiphytic orchid.

Callista chrysotoxa
Callista chrysotoxa is a small cool to warm growing epiphytic orchid.

Callista ciliata
Callista ciliata is a medium sized warm to hot growing epiphytic orchid.

Callista clavata
Callista clavata is a cold to cool growing orchid.

Callista clavipes
Callista clavipes is a warm to hot growing epiphytic orchid.

Callista coelogyne
Callista coelogyne is a cool to warm growing epiphytic or lithophytic orchid.

Callista comata
Callista comata is a large hot growing epiphytic orchid.

Callista commutata

Callista connata
Callista connata is a warm to hot growing epiphytic orchid.

Callista conostalyx
Callista conostalyx is a warm growing epiphytic orchid.

Callista convexa
Callista convexa is a hot growing epiphytic orchid.

Callista cornuta
Callista cornuta is a warm to hot growing orchid.

Callista crassinodis
Callista crassinodis is a small to large cool to warm growing epiphytic or lithophytic orchid.

Callista crepidata
Callista crepidata is a cool to warm growing epiphytic orchid.

Callista cretacea
Callista cretacea is a cool to warm growing epiphytic orchid.

Callista crocata
Callista crocata is a small to large warm to hot growing epiphytic orchid.

Callista cruenta
Callista cruenta is a small to medium sized hot growing epiphytic orchid.

Callista crumenata
Callista crumenata is a small to large warm to hot growing epiphytic orchid.

Callista crystallina
Callista crystallina is a medium sized cool to warm growing epiphytic orchid.

Callista cucumerina
Callista cucumerina is a miniature cool to warm growing epiphytic orchid.

Callista cumulata
Callista cumulata is a medium to large sized warm to hot growing epiphytic orchid.

Callista cunninghamii
Callista cunninghamii is a cold to cool growing orchid.

Callista cuspidata
Callista cuspidata is a hot growing orchid.

Callista cymbidiodes
Callista cymbidiodes is a small cool to warm growing epiphytic orchid.

Callista dearei
Callista dearei is a medium to large sized hot growing epiphytic orchid.

Callista densiflora
Callista densiflora is a small to medium sized cool to warm growing epiphytic or lithophytic orchid.

Callista denudans
Callista denudans is a small cool to warm growing epiphytic or lithophytic orchid.

Callista devoniana
Callista devoniana is a medium sized cool to warm growing epiphytic orchid.

Callista dicupha
Callista dicupha is a small to medium sized warm to hot growing epiphytic orchid.

Callista diodon

Callista distachya
Callista distachya is a warm to hot growing epiphytic orchid.

Callista disticha
Callista disticha is a small to medium sized hot growing epiphytic orchid.

Callista dixantha
Callista dixantha is a medium to large sized cool to warm growing epiphytic orchid.

Callista draconis
Callista draconis is a small to medium sized cool to warm growing epiphytic orchid.

Callista elongata
Callista elongata is a medium to large sized cool to warm growing epiphytic or lithophytic orchid.

Callista eriaeoides

Callista eriiflora
Callista eriiflora is a small cool to warm growing epiphytic orchid.

Callista erosa
Callista erosa is a large cool to warm growing epiphytic orchid.

Callista eulophota
Callista eulophota is a small to medium sized warm to hot growing epiphytic orchid.

Callista euphlebia
Callista euphlebia is a hot growing epiphytic orchid.

Callista excavata
Callista excavata is a warm to hot growing orchid.

Callista fairfaxii

Callista falconeri
Callista falconeri is a large cool to warm growing epiphytic orchid.

Callista falcorostra
Callista falcorostra is a medium sized cool growing epiphytic orchid.

Callista farmeri
Callista farmeri is a cool to warm growing epiphytic orchid.

Callista fimbriata

Callista findlayana
Callista findlayana is a medium to large sized cool to warm growing epiphytic orchid.

Callista fitzgeraldii

Callista flabella
Callista flabella is a warm to hot growing epiphytic orchid.

Callista flavescens
Callista flavescens is a small to medium sized cool to warm growing epiphytic orchid.

Callista flavidula
Callista flavidula is a small cold to hot growing epiphytic or lithophytic orchid.

Callista floribunda

Callista foelschei
Callista foelschei is a miniature warm to hot growing epiphytic orchid.

Callista foliosa

Callista formosa
Callista formosa is a small to medium sized cool to warm growing epiphytic orchid.

Callista fugax

Callista funiformis
Callista funiformis is a cool to warm growing orchid.

Callista furcata
Callista furcata is a cool to warm growing orchid.

Callista fuscescens
Callista fuscescens is a cold to warm growing orchid.

Callista fytchiana
Callista fytchiana is a medium sized cool to hot growing epiphytic orchid.

Callista geminata
Callista geminata is a warm to hot growing epiphytic orchid.

Callista gibsonii
Callista gibsonii is a large cool to warm growing epiphytic or lithophytic orchid.

Callista glossotis
Callista glossotis is a cool to hot growing orchid.

Callista gordonii
Callista gordonii is a small to large hot growing epiphytic orchid.

Callista gouldii
Callista gouldii is a giant hot growing epiphytic or lithophytic orchid.

Callista gracilicaulis
Callista gracilicaulis is a medium to large sized cool to warm growing epiphytic or lithophytic orchid.

Callista gracilis
Callista gracilis is a cool to warm growing orchid.

Callista graminifolia

Callista grandiflora
Callista grandiflora is a cool to warm growing epiphytic orchid.

Callista grandis
Callista grandis is a hot growing epiphytic orchid.

Callista gratiosissima
Callista gratiosissima is a medium sized cool to warm growing epiphytic orchid.

Callista griffithiana
Callista griffithiana is a medium sized warm to hot growing epiphytic orchid.

Callista guibertii

Callista haemoglossa
Callista haemoglossa is a warm to hot growing epiphytic orchid.

Callista harveyana
Callista harveyana is a small cool to warm growing epiphytic orchid.

Callista hasseltii
Callista hasseltii is a warm to hot growing orchid.

Callista herbacea
Callista herbacea is a warm growing orchid.

Callista hercoglossa
Callista hercoglossa is a large cool to warm growing epiphytic orchid.

Callista heterocarpa
Callista heterocarpa is a giant cool to warm growing epiphytic orchid.

Callista heteroidea

Callista heyneana

Callista hispida

Callista hookeriana
Callista hookeriana is a warm growing epiphytic orchid.

Callista hornei

Callista huttonii

Callista hymenantha
Callista hymenantha is a cool to warm growing orchid.

Callista hymenophylla
Callista hymenophylla is a large warm growing epiphytic orchid.

Callista hymenoptera

Callista incrassata
Callista incrassata is a small to medium sized warm to hot growing epiphytic orchid.

Callista incurva

Callista indivisa
Callista indivisa is a small to medium sized warm to hot growing epiphytic orchid.

Callista infundibulum
Callista infundibulum is a medium to large sized cool to warm growing epiphytic orchid.

Callista insignis
Callista insignis is a medium sized hot growing epiphytic or terrestrial orchid.

Callista intermedia
Callista intermedia is a warm to hot growing epiphytic orchid.

Callista ionopus
Callista ionopus is a large warm to hot growing epiphytic orchid.

Callista japonica
Callista japonica is a small to large cool growing epiphytic orchid.

Callista javanica

Callista jenkinsii
Callista jenkinsii is a warm to hot growing epiphytic orchid.

Callista jerdoniana

Callista johannis
Callista johannis is a small to large hot growing epiphytic orchid.

Callista juncea
Callista juncea is a large cool to hot growing epiphytic orchid.

Callista kentrochila

Callista kentrophylla
Callista kentrophylla is a warm to hot growing epiphytic orchid.

Callista kingiana
Callista kingiana is a cool to warm growing epiphytic orchid.

Callista kuhlii
Callista kuhlii is a warm to hot growing orchid.

Callista kunstleri
Callista kunstleri is a warm to hot growing epiphytic orchid.

Callista labuana

Callista lamellata
Callista lamellata is a miniature to small sized warm to hot growing epiphytic orchid.

Callista lancifolia

Callista lasioglossa

Callista lawiana
Callista lawiana is a cool to warm growing epiphytic orchid.

Callista leonis
Callista leonis is a miniature to small sized hot growing epiphytic orchid.

Callista leucochlora

Callista leucolophota
Callista leucolophota is a small to medium sized warm to hot growing epiphytic orchid.

Callista lilacina

Callista linawiana

Callista linguiformis
Callista linguiformis is a miniature cool to warm growing epiphytic or lithophytic orchid.

Callista lituiflora
Callista lituiflora is a medium sized cool to warm growing epiphytic orchid.

Callista lobata
Callista lobata is a hot growing orchid.

Callista lobbii
Callista lobbii is a warm growing epiphytic orchid.

Callista loddigesii
Callista loddigesii is a miniature to small sized cool growing epiphytic, lithophytic or terrestrial orchid.

Callista lonchophylla
Callista lonchophylla is a hot growing orchid.

Callista longicollis
Callista longicollis is a hot growing epiphytic orchid.

Callista longicornis
Callista longicornis is a dwarf cool to warm growing epiphytic or terrestrial orchid.

Callista longipes
Callista longipes is a cold to warm growing epiphytic orchid.

Callista lowii
Callista lowii is a medium sized warm growing epiphytic orchid.

Callista lubbersiana
Callista lubbersiana is a dwarf cool to warm growing epiphytic orchid.

Callista lucens

Callista lunata

Callista luteola
Callista luteola is a medium sized warm to hot growing epiphytic orchid.

Callista lycopodiodes
Callista lycopodiodes is a warm growing epiphytic orchid.

Callista macarthiae
Callista macarthiae is a warm to hot growing epiphytic orchid.

Callista macfarlanei

Callista macraei
Callista macraei is a warm growing orchid.

Callista macrantha
Callista macrantha is a warm to hot growing epiphytic orchid.

Callista macrophylla

Callista macropoda
Callista macropoda is a warm growing epiphytic orchid.

Callista macropus
Callista macropus is a warm growing orchid.

Callista macrostachya

Callista marginata
Callista marginata is a small cool to warm growing epiphytic orchid.

Callista marmorata

Callista megaceras

Callista metachilina
Callista metachilina is a hot growing epiphytic orchid.

Callista micrantha
Callista micrantha is a hot growing orchid.

Callista microbulbon
Callista microbulbon is a warm growing epiphytic orchid.

Callista mirbelliana
Callista mirbelliana is a medium to giant sized hot growing epiphytic or lithophytic orchid.

Callista misera

Callista moniliformis
Callista moniliformis is a small to large cool growing epiphytic orchid.

Callista monophylla
Callista monophylla is a miniature to small sized cool to warm growing epiphytic or lithophytic orchid.

Callista moorei
Callista moorei is a small cool to warm growing epiphytic, lithophytic or terrestrial orchid.

Callista mortii
Callista mortii is a miniature cool to warm growing epiphytic orchid.

Callista moschata

Callista moulmeinensis
Callista moulmeinensis is a medium sized cool to warm growing epiphytic orchid.

Callista mutabilis
Callista mutabilis is a small cool to hot growing epiphytic orchid.

Callista nana
Callista nana is a cold growing orchid.

Callista nathanielis
Callista nathanielis is a hot growing epiphytic orchid.

Callista nitidissima
Callista nitidissima is a hot growing epiphytic orchid.

Callista nobilis
Callista nobilis is a cool to warm growing epiphytic orchid.

Callista normalis

Callista nuda
Callista nuda is a medium sized cool to warm growing epiphytic orchid.

Callista nutans

Callista ochreata
Callista ochreata is a small to medium sized cool to warm growing epiphytic, lithophytic or terrestrial orchid.

Callista ochroleuca

Callista oculata

Callista ophioglossa
Callista ophioglossa is a large warm to hot growing epiphytic orchid.

Callista ovata
Callista ovata is a cold to hot growing orchid.

Callista oxystophylla

Callista pachyglossa
Callista pachyglossa is a small to large cool to hot growing epiphytic or lithophytic orchid.

Callista pachyphylla
Callista pachyphylla is a miniature warm to hot growing epiphytic orchid.

Callista palpebrae
Callista palpebrae is a cool to warm growing epiphytic orchid.

Callista pandurata
Callista pandurata is a cool to hot growing orchid.

Callista pandurifera
Callista pandurifera is a hot growing epiphytic orchid.

Callista parca
Callista parca is a cool to hot growing epiphytic orchid.

Callista parishii
Callista parishii is a small to large cool to warm growing epiphytic orchid.

Callista parviflora
Callista parviflora is a cold to warm growing epiphytic orchid.

Callista pendula
Callista pendula is a small to large cool to warm growing epiphytic or lithophytic orchid.

Callista perakensis
Callista perakensis is a medium sized warm growing epiphytic orchid.

Callista perula
Callista perula is a warm to hot growing epiphytic orchid.

Callista phalaenopsis
Callista phalaenopsis is a warm to hot growing epiphytic orchid.

Callista platygastria
Callista platygastria is a miniature warm to hot growing epiphytic orchid.

Callista porphyrochila
Callista porphyrochila is a cool growing orchid.

Callista praecincta
Callista praecincta is a cool to warm growing orchid.

Callista primulina
Callista primulina is a cool to warm growing epiphytic orchid.

Callista pugioniformis
Callista pugioniformis is a miniature cool to warm growing epiphytic orchid.

Callista pulchella
Callista pulchella is a cool to warm growing epiphytic orchid.

Callista pumila
Callista pumila is a miniature warm to hot growing epiphytic orchid.

Callista purpurea
Callista purpurea is a cool to warm growing epiphytic orchid.

Callista pusilla
Callista pusilla is a miniature warm to hot growing epiphytic orchid.

Callista pycnostachya
Callista pycnostachya is a warm growing orchid.

Callista pygmaea
Callista pygmaea is a miniature cool to warm growing epiphytic or lithophytic orchid.

Callista quadrangularis
Callista quadrangularis is a cool to warm growing orchid.

Callista radians

Callista ramosa
Callista ramosa is a warm growing epiphytic orchid.

Callista reinwardtii
Callista reinwardtii is a small to large warm to hot growing epiphytic orchid.

Callista reptans

Callista revoluta
Callista revoluta is a warm to hot growing epiphytic orchid.

Callista rhodocentra
Callista rhodocentra is a warm growing orchid.

Callista rhodopterygia
Callista rhodopterygia is a small to large cool to warm growing epiphytic orchid.

Callista rigescens

Callista rigida
Callista rigida is a warm to hot growing epiphytic orchid.

Callista rotundata
Callista rotundata is a cold to warm growing orchid.

Callista ruckeri
Callista ruckeri is a warm growing epiphytic orchid.

Callista rugosa

Callista salaccense
Callista salaccense is a warm to hot growing epiphytic orchid.

Callista sanguinolenta
Callista sanguinolenta is a medium to large sized hot growing epiphytic orchid.

Callista sarcantha
Callista sarcantha is a hot growing orchid.

Callista scabrilinguis
Callista scabrilinguis is a small cool to warm growing epiphytic orchid.

Callista scortechinii
Callista scortechinii is a warm to hot growing epiphytic orchid.

Callista sculpta
Callista sculpta is a warm growing orchid.

Callista secunda
Callista secunda is a medium to large sized cool to warm growing epiphytic orchid.

Callista senilis
Callista senilis is a miniature cool to warm growing epiphytic orchid.

Callista sinuata
Callista sinuata is a cool to hot growing orchid.

Callista smillieae
Callista smillieae is a large warm to hot growing epiphytic orchid.

Callista spatella
Callista spatella is a hot growing orchid.

Callista spathacea
Callista spathacea is a small to large cool growing epiphytic orchid.

Callista speciosa
Callista speciosa is a small to medium sized cool to warm growing epiphytic, lithophytic or terrestrial orchid.

Callista spectabilis
Callista spectabilis is a medium to large sized warm to hot growing epiphytic or lithophytic orchid.

Callista spinescens

Callista stratiotes
Callista stratiotes is a medium to large sized hot growing epiphytic orchid.

Callista strebloceras
Callista strebloceras is a large hot growing epiphytic orchid.

Callista stricklandiana
Callista stricklandiana is a small to medium sized cool to warm growing epiphytic orchid.

Callista striolata
Callista striolata is a cool to warm growing epiphytic or lithophytic orchid.

Callista strongylantha
Callista strongylantha is a cool to warm growing epiphytic orchid.

Callista stuartii

Callista stuposa
Callista stuposa is a small cold to hot growing epiphytic or lithophytic orchid.

Callista suavissima
Callista suavissima is a small cool to warm growing epiphytic orchid.

Callista subacaulis
Callista subacaulis is a warm growing epiphytic orchid.

Callista subteres
Callista subteres is a hot growing epiphytic orchid.

Callista subulata
Callista subulata is a hot growing epiphytic orchid.

Callista sulcata
Callista sulcata is a small to medium sized cool to warm growing epiphytic orchid.

Callista sumneri
Callista sumneri is a warm to hot growing epiphytic orchid.

Callista superbiens

Callista tattoniana
Callista tattoniana is a miniature warm to hot growing epiphytic orchid.

Callista taurina
Callista taurina is a hot growing epiphytic orchid.

Callista teijsmannii
Callista teijsmannii is a warm growing epiphytic orchid.

Callista tenella
Callista tenella is a large cold to warm growing epiphytic or terrestrial orchid.

Callista tenuicaulis

Callista teres
Callista teres is a warm to hot growing epiphytic orchid.

Callista teretifolia

Callista terminalis
Callista terminalis is a miniature to small sized cool to warm growing epiphytic orchid.

Callista tetraedris
Callista tetraedris is a cool to warm growing orchid.

Callista tetragona
Callista tetragona is a miniature cool to warm growing epiphytic or lithophytic orchid.

Callista tetrodon

Callista thyrsiflora
Callista thyrsiflora is a small to large cool to warm growing epiphytic, lithophytic or terrestrial orchid.

Callista thyrsodes

Callista tmesipteris
Callista tmesipteris is a warm growing epiphytic orchid.

Callista tortilis
Callista tortilis is a miniature to small sized cool to warm growing epiphytic or lithophytic orchid.

Callista transparens
Callista transparens is a medium to large sized cool to warm growing epiphytic orchid.

Callista treacheriana
Callista treacheriana is a warm to hot growing epiphytic orchid.

Callista trichostoma
Callista trichostoma is a hot growing orchid.

Callista tricuspis

Callista tridentifera

Callista triflora

Callista trigonopus
Callista trigonopus is a small cool to warm growing epiphytic orchid.

Callista tropaeoliflora
Callista tropaeoliflora is a cool to warm growing orchid.

Callista truncata
Callista truncata is a warm to hot growing epiphytic orchid.

Callista tuberifera
Callista tuberifera is a hot growing epiphytic orchid.

Callista uncata
Callista uncata is a warm to hot growing epiphytic orchid.

Callista undulata
Callista undulata is a variable sized warm to hot growing epiphytic or lithophytic orchid.

Callista unguiculata
Callista unguiculata is a hot growing epiphytic orchid.

Callista veitchiana
Callista veitchiana is a small to large hot growing epiphytic orchid.

Callista veratrifolia
Callista veratrifolia is a giant warm to hot growing epiphytic or lithophytic orchid.

Callista vexabilis

Callista vexans
Callista vexans is a large cool to warm growing epiphytic orchid.

Callista villosula

Callista virginea
Callista virginea is a medium sized cool to warm growing epiphytic orchid.

Callista wardiana
Callista wardiana is a medium to large sized cool to warm growing epiphytic or lithophytic orchid.

Callista wattii
Callista wattii is a cool to warm growing epiphytic orchid.

Callista williamsonii
Callista williamsonii is a small cool to warm growing epiphytic orchid.

Callista xantholeuca
Callista xantholeuca is a hot growing orchid.

Callista xanthophlebia
Callista xanthophlebia is a cool to warm growing orchid.