Paphiopedilum fairrieanum var. nigrescens Pradhan

, Indian Orchids 1: 39, without latin descr. or type (1976).
IPNI Identifier
urn:lsid:ipni.org:names:887774-1
Species Name
Paphiopedilum fairrieanum (Lindl.) Stein, Orchid.-Buch 467 (1892).
Publication
Indian Orchids: guide to identification & culture. Kalimpong, India
Collation
1: 39, without latin descr. or type
Family as entered in IPNI
Orchidaceae

Original Data

Remarks
Bhutan