Bulbophyllum umbellatum explained

Bulbophyllum umbellatum (umbrella bulbophyllum) is a species of orchid. It is native to tropical parts of South Asia,^[1] from the west central Himalayas to Taiwan and Indo-China.^[2]

Varieties

, Plants of the World Online accepted two varieties:^[2]

• Bulbophyllum umbellatum var. fuscescens (Hook.f.) P.K.Sarkar
• Bulbophyllum umbellatum var. umbellatum, many synonyms including Cirrhopetalum maculosum^[3]

Cirrhopetalanthrin is a dimeric phenanthrene derivative from B. umbellatum var. umbellatum.^[4]

Notes and References

1. Web site: Bulbophyllum umbellatum. Tim Choltco. Marlow Orchids. 13 July 2014. dead. https://archive.today/20140715082845/http://marlowsorchids.com/inc/sdetail/1939. 15 July 2014.
2. Bulbophyllum umbellatum Lindl... 620394-1. 2023-12-12. cs1.
3. Bulbophyllum umbellatum var. umbellatum. 77167765-1. 2023-12-12. cs1.
4. 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,