Bulbophyllum tetragonum Lindl. 1830 SECTION Lupulina G A Fischer in prep
Photos by Vincent Droissart and His West African Orchid Website
Common Name or Meaning The Four Sided Pseudobulb Bulbophyllum
Flower Size .2" [5 mm]
Found in Sierra Leone, Ghana, Ivory Coast, Liberia, Cameroon and Zaire in lowland hill forests at elevations up to 900 meters as a small to medium sized, hot to warm growing epiphyte with .6 to 3.8" [1.5 to 9.5 cm] between each narrowly ovoid to narrowly ellipsoid, slightly compressed, sharply 4 to 6 angled pseudobulb carrying 1 to 2, apical, erect, coriaceous, linear-lanceolate to broadly linear, obtuse, gradually narrowing below into the petiolate base leaf that blooms in the fall and winter on a basal, slightly swollen, 4 angled in cross-section, 6 to 11.2" [15 to 28 cm] long, 24 to 50 flowered inflorescence with 2 concave sides from which the flowers arise
Synonyms Bulbophyllum wrightii Summerh 1962
References W3 Tropicos, Kew Monocot list , IPNI ; Orchid Monographs Vol 2 - A Taxonomic Revision of the Continental African Bulbophyllinae Vermeullen 1987 drawing fide; Bulbophyllum and Their Allies Siegerist 2001; AOS Bulletin Vol 79 #3 2010 drawing/photo fide; Orchidaceae Of West Central Africa Vol 2 Szlachetko, Ejsmont, Baranow, Grochocka, Nowak, Margonska and Naczk 2015 drawing ok/photos not!!
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