Geographical origin:
It grows epiphytically on tree truncks in rain forest, at an altitude of 1500 - 2000m, as for example in the Tsaratana Massif in northern Madagascar.
The high altitude where it grows suggests a very fresh winter nights, with some early morning frost.
Culture :
The can be grown in pot with medium bark, but because of its long stem, it would better grow mounted on a piece of bark.
Intermediate light (15000-20000 lux) and temperate temperatures.
In winter they must have a chill period (10-12°) during nights, 15-17° during days, otherwise they may not bloom.
A lot watering in summer, especially when it is hot, and only a little in winter.
Links:
TROPICOS
The Plant List
MNHN
KEW
IOSPE
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