Bulbophyllum plumatum Ames 1915 SECTION Plumata J J Verm, Schuit, & De Vogel 2014
TYPE for the SECTION
Photo by © Eric Hunt
Photo courtesy of Marius Wasbauer
Common Name The Feathery Bulbophyllum
Flower Size 3 3/4" vertically [9cm]
Found in Malaysia, Sumatra and the Philippines in swamp forests at elevations around 1000 to 1500 meters as a mini-miniature sized, cool growing epiphyte with .8 to 1.2" [2 to 3 cm] between each, obliquely ovoid, quadrangular with concave sides pseudobulbs and carrying a single, apical, lanceolate, narrowing into the very short petiolate base leaf that blooms in the summer on an ascending, slender, terete, 4" [10 cm] long, apically thicker, 4 flowered, umbelliform inflorescence that is held at the leaf height.
This species should be grown in a pot or basket with fast draining medium and partial shade.
There is an all white version of this flower which was in the original description and has been known as B jacobsonii and there is a var flava which is all yellow.
Very similar to B treschii but it differs in the wrinkled, rugose sepals and the lip that appears shorter, more darkly and heavily spotted and more squared off and obtuse at the apex.
Synonyms Bulbophyllum jacobsonii J.J. Sm. 1935; Cirrhopetalum plumatum (Ames) Cootes 2011; Rhytionanthos plumatus [Ames] Garay, Hamer & Siegrist 1994
References W3 Tropicos, Kew Monocot list , IPNI ; *Notes on Cirrhopetalum Seidenfadden 1973 drawing fide; Orchidiana Philipiniana Vol 1 Valmayor 1984; Orchids of Sumatra Comber 2001; Bulbophyllum and Their Allies Seigerist 2001 as Rhytionanthos plumata; AOS Bulletin Vol 72 No 1 2003 photo fide; AOS Bulletin Vol 72 No 4 2003 photo fide; Gard. Bull. Singapore 55: 160 J J Verm & P O'Byrne 2003 ; Flora Malesiana Orchids of the Philippines Vol I Agoo, Shuiteman and de Vogel 2003 as B plumatum; Australian Orchid Review Vol 70 No 5 2005 as Cirrhopetalum plumatum; Gard. Bull. Singapore 57: 133-137 J J Verm & P O'Byrne 2005 photo fide; Mille et Une Mini Orchideees Roguenant 2009 photo fide; Bulbophyllum: the incomplete Guide From A to why? Bill Thoms 2009 photo fide; Wild Orchids of Penninsular Malaysia Ong, O'Byrne, Yong & Saw 2011 photo fide; A to Z of South East Asian Orchid Species Vol 2 O'Byrne 2011 photo fide; Philippine Native Orchid Species 2011 as Cirrhopetalum plumatum photo fide; Orchid Digest Vol 77 #2 2013 photo fide; A Compendium of Miniature Orchid Species Gerritsen and Parsons 2013 photo fide; Orchid Digest Vol 78 #2 2014 photo fide; Genera Orchidacearum Vol 6 Epidendroideae Pt 3 Pridgeon, Cribb Chase & Ramussen 2014 photo fide; Bulbophyllum of Borneo J J Verm, P O'Byrne and Lamb 2015
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