Bulbophyllum oerstedii (Rchb.f.) Hemsl. 1884 SECTION Bulbophyllaria [Rchb.f] Griseb. 1864

Photo by Klaus Area Rug and his Pinterest page

Drawing

Drawing by Szlatchetko 2012 & etal

Part ShadeHotWarm

Common Name or Meaning Oersted's Bulbophyllum [Danish botanist and orchid collector in Central America 1800's]

Flower Size

Found in Florida, Mexico, Belize, Nicaragua, Costa Rica, Panama, Colombia, southern Venezuela, Guyana, Fr Guinea and northern Brazil at elevations of 50 to 500 [1200] meters as a miniature to small sized, hot to warm growing epiphyte with close-set, ovoid, tetragon, each face concave sided pseudobulbs and carries a 2, apical, erect, coriaceous narrowly ovate, obtuse, constricted below in tothe short petiolate base leaf that blooms on a basal, erect, peduncle to 3.2" [8 cm] long, rachis 6.8 to 12.8" [17 to 32 cm] long, successively few, several to many flowered, racemose inflorescence with elongate floral bracts that partly envelop the flower.

"Similar to B sordidum, B bracteolatum, Bulbophyllum pinelianum (A.Rich.) Ormerod 2016, B aristatum and B kegelii but differs in the deltoid petals vs petals linear to elliptic." Szlatchetko & Kolanowska 2023

Synonyms *Bolbophyllaria oerstedii Rchb.f. 1855; Bulbophyllum vinosum Schltr. 1918; Phyllorkis oerstedii (Rchb.f.) Kuntze 1891

References W3 Tropicos, Kew Monocot list , IPNI ;

Bonplandia (Hannover) 3: 223 Rchb.f 1855 as Bolbophyllaria oerstedii;

*Biol. Cent.-Amer., Bot. 3: 213 Hemsl. 1884;

Revis. Gen. Pl. 2: 677 Kuntze 1891 as Phllorkis oerstedii;

Beih. Bot. Centralbl. 36(2): 411 Schlechter 1918 as B vinosum;

Venezuelan Orchids Vol 5 Dunsterville & Garay 1966 drawing fide;

Flora de Venezuela Foldats Volumen XV Part 4 1970 drawing fide;

Selbyana Vol 10:61 Orchids of Central America Hamer 1988 drawing fide;

Harvard Pap. Bot. 5 #2: Carnevali etal 2001;

Bulbophyllum and Their Allies Siegerist 2001;

Flora of the Venezuelan Guayana Vol 7 Steyermark, Berry, Yatskievych and Holst 2003 drawing ok;

Orchids, A Colombian Treasure Vol 1 Ortiz & Uribe 2014 drawing good/photo ok;

Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018;

Materials to the Orchid Flora of Colombia Vol IV:163 Szlatchetko & Kolanowska 2023 drawing fide

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