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Orchid Species: Polystachya nigrescens

Kew currently accepted name is Polystachya transvaalensis

Polystachya nigrescens is an orchid species identified by Rendle in 1895. Culture information and photos for this orchid are commonly detailed under the currently accepted name of Polystachya transvaalensis.
Genus
Polystachya (Pol.)
Grex
nigrescens
Parents
Species
Author
Rendle
Year
1895
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ORIGIN: Found in Burundi, Cameroon, Gulf of Guinea Islands, Rwanda, Zaire, Kenya, Tanzania, Uganda, Malawi, Zambia, Zimbabwe, Swaziland and Natal and Transvaal South Africa in lower montane and submontane forests at elevations of 1200 to 2900 meters.

DESCRIPTION: Small sized, cool to cold growing epiphyte or occasional lithophyte with elongate, cylindrical pseudobubls enveloped by black, tubular sheaths and carrying 2 to 9, leathery, ligulate, obtuse, dark green often flushed with purple leaves that blooms in the spring and summer on a terminal, 1.2 to 5.2 [3 to 13 cm] long, racemose to few branched, 5 to 12 flowered inflorescence and carrying non-resupinate flowers.

FLOWER SIZE: 1/2 inch [1.2 cm] -- information provided by Jay Pfahl, author of the Internet Orchid Species Encyclopedia (IOSPE).
Other Names
Genus Name Genus Grex Name Year Author
Add+ Polystachya Pol transvaalensis 1895 Schltr.
Add+ Polystachya Pol natalensis 1912 Rolfe in W.H.Harvey & auct. suc. (eds.)
Add+ Polystachya Pol rendlei 1897 Rolfe in D.Oliver & auct. suc. (eds.)
Most awarded/recent cultivars: Pol. transvaalensis 'Byren' (2000)
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