Bulbophyllum umbellatum (umbrella bulbophyllum) is a species of orchid. It is native to tropical parts of South Asia, from the west central Himalayas to Taiwan and Indo-China.
Varieties , Plants of the World Online accepted two varieties: Bulbophyllum umbellatum var. fuscescens (Hook.f.) P.K.Sarkar Bulbophyllum umbellatum var. umbellatum, many synonyms including Cirrhopetalum maculosum
Cirrhopetalanthrin is a dimeric phenanthrene derivative from B. umbellatum var. umbellatum.Cirrhopetalanthrin, a dimeric phenanthrene derivative from the orchid Cirrhopetalum maculosum. P.L. Majumder, Anjali Pal, Mukta Joardar, Phytochemistry, Volume 29, Issue 1, 1990, Pages 271–274,
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