Polystachya greatrexii Summerh. 1966 SECTION Eurychilae Summerh. Photo by © Lourens Grobler.
Plant in situ Zimbabwe Photo by Bart Wursten ©, and his Flora Of Zimbabwe WebSite
Common Name The Greatrex's Polystachya [English Orchid Enthusiast 1900's]
Flower Size .3" [.7 cm]
Found in Zaire, Tanzania, Malawi and Zimbabwe in high rainfall woodlands and evergreen forests at elevations of 900 to 2100 meters as a mini-miniature sized, warm to cold growing epiphyte and occasional lithophyte with chain-like, round, purplish pseudobulbs carrying deciduous, divergent, linear, obtuse to shortly bilobed apically leaves that are not present at blooming which is in the spring on a terminal, 1 to 2" [3 to 5 cm] long, densely to 10 flowered, pubescent, racemose inflorescence and carries non-resupinate, primrose scented flowers.
Synonyms Polystachya couloniana Geerinck & Arbonn. 1996 publ. 1997
References W3 Tropicos, Kew Monocot list , IPNI ; The Orchids of South Central Africa Williamson 1977 drawing/photo fide; Malawi Orchids vol 1 La Croix 1983 drawing fide; Flora of Tropical East Africa Orchidaceae Part 2 Cribb 1984;African Orchids in the Wild and Cultivation La Croix 1997 photo ok; Flora Zambesiaca Vol 11 Part 2 Pope 1998 drawing good; Orchid Digest Vol 71 No 3 2007 photo; Orchidaceae of West Central Africa Vol 2 Szlachetko etal 2015 drawing good;