Bulbophyllum retusiusculum
A small creeping Bulbophyllum (formerly Cirrhopetalum) with a half-umbel of 6–12 yellow-and-red flowers, widespread from Nepal and Bhutan through southern China and Taiwan to Indochina and Peninsular Malaysia. It grows on mossy trunks and occasionally rocks in evergreen forest, mostly at about 500–2500 m, so it is an adaptable intermediate grower. Mount it on cork or grow it in a shallow basket so the rhizome can wander.
Where it grows wild
Epiphytic on mossy tree trunks and branches, less often on rocks, in lowland evergreen, montane broadleaf and mixed conifer forest. Specimen labels describe it on moss-covered trunks in shade, in semi-shade on forest edges, on moist forested slopes, and in shaded primary evergreen seasonal forest in Thailand.
Wikipedia gives 500–3000 m. GBIF records with elevation (39) run from 550 to 3100 m with a median of about 1400 m; the highest is from Abies and Rhododendron forest in Yunnan.
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More Bulbophyllum
Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app. Photo from Wikimedia Commons, used under its CC BY-SA 3.0 licence, unmodified.