Oncidium macropetalum
Also known as: The Large Petal Oncidium in the subfamily: Epidendroideae
Native to: Brazil Paraguay
General Information
The Large Petal Oncidium is an orchid belonging to the sub family Epidendroideae native to Brazil and Paraguay.
Plant Description
Grows to 12-20cm. Each new growth has numerous arching leaves that grow to 10-15cm long. Pseudobulbs grow to 2.5-5cm
Climate
Grows at high elevations. Rainfall ranges from 5mm to 282mm per day, heaviest in June and lightest in February. Humidity ranges from 58% to 81%, highest in July and lowest in February. Temperature ranges from 12C to 30C, highest in March (19C to 30C) and lowest in January (12C to 26C).
Watering
These orchids are sensitive to excessive watering and should only be watered when they look thirsty. Water infrequently and ensure that the roots are dry before watering. Keep an eye on them especially during hot weather as overwatering can lead to rot, whereas underwatering may result in wilting or shriveling, which while unattractive, will not kill the plant.