''Bulbophyllum reptans'' is a species of
orchid
Orchids are plants that belong to the family Orchidaceae (), a diverse and widespread group of flowering plants with blooms that are often colourful and fragrant.
Along with the Asteraceae, they are one of the two largest families of flowering ...
in the genus ''
Bulbophyllum
''Bulbophyllum'' is a genus of mostly epiphytic and lithophytic orchids in the family Orchidaceae. It is the largest genus in the orchid family and one of the largest genera of flowering plants with more than 2,000 species, exceeded in number onl ...
''.
''B. reptans'' contains the phenanthrenediol
gymnopusin
Gymnopusin is a phenanthrenediol produced by the orchid ''Bulbophyllum gymnopus''. It is also found in ''Bulbophyllum reptans'' and ''Maxillaria densa
''Maxillaria densa'', the crowded maxillaria, is a species of orchid ranging from Mexico sout ...
(2,7-dihydroxy-3,4,9-trimethoxyphenanthrene), the
phenanthrenes
Phenanthrenoids are chemical compounds formed with a phenanthrene backbone. These compounds occur naturally in plants, although they can also be synthesized.
Phenanthrols
Phenanthrols are any of five isomeric phenols derived from phenanthrene ( ...
confusarin (2,7-dihydroxy-3,4,8-trimethoxyphenanthrene),
2,7-dihydroxy-3,4,6-trimethoxyphenanthrene and its
9,10-dihydro derivative,
flavanthrinin (2,7-dihydroxy-4-methoxyphenanthrene) and its 9,10-dihydro derivative (
coelonin), 3,3′-dihydroxy-5-methoxybibenzyl (
batatasin-III),
cirrhopetalanthrin (2,2′,7,7′-tetrahydroxy-4,4′-dimethoxy-1,1′-biphenanthryl), its 9,9′,10,10′-tetrahydro derivative (
flavanthrin) and the dimeric phenanthrenes
reptanthrin and
isoreptanthrin.
[Dimeric phenanthrenes from the orchid Bulbophyllum reptans. P.L Majumder, S Pal and S Majumder, Phytochemistry, Volume 50, Issue 5, 10 March 1999, Pages 891–897, ]
References
The Bulbophyllum-Checklist
reptans
{{Bulbophyllum-stub