The pseudobulbs are reduced. The obtuse, fleshy leaves are 9 cm long. They are broadly elliptic to ovate-lanceolate. The large, showy flowers grow basally on a short peduncle in a single-flowered to few-flowered raceme. They are white, or white covered with maroon dots. The petals and sepals are similar. The long lip carries a short spur. This feature distinguishes the genus from other Oncidiinae, in which the spur is an extension of the column. The short column has a pair of apical wings on the stigma. The anther often bears minute papillae. There are two waxy pollinia, connected to elongate stipes.
Trichocentrum Pumilum Care
Trichocentrum Pumilum
What is the plant
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Humidity
Normal
Lighting
Full Sun
Temperature
20°C - 31°C
Hardiness zone
3 - 10
Difficulty
Medium
How to Care for the Plant
Water
Water as they approach dryness if you are able to provide plenty of humidity; keep them moist more consistently if the humidity is low.
Fertilizer
During the active growth of the plants should be fertilized every week 1/4-1/2 of the recommended dose of fertilizer for orchids.
Soil
Good potting mixes for these orchids include fine-grade fir bark or New Zealand sphagnum moss, usually in small plastic pots. You can also grow them mounted on twigs or slabs of bark, preferably with sphagnum moss around the roots.
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Temperature
Though there is a great deal of diversity in this genus, most like cool temperatures that stay below 70°F (21C). If temperatures get too hot, they will quickly dry out, shrivel, and die
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