Brassia gireoudiana Rchb. f. & Warsz. 1854

Flower closeup

Inflorescence Photo courtesy of Jay Pfahl

FragrancePart sunCoolTo Hot LATESpringTo Fall

Common Name Gireoud's Brassia [German Gardener 1800's]

Flower Size To more than 12" [to more than 30 cm]

Found in Costa Rica and Panama in semi-deciduous to evergreen premontane forests as a medium sized, cool to hot growing epiphyte at elevations of 500 to 1000 meters with elliptic-ovoid, laterally compressed pseudobulbs subtended by 2 or more foliaceous bracts with 2, rarely 1, petiolate, subcoriaceous, carinate beneath, elliptic-ovate leaves and blooms on a basal, from the sheath, 1 1/2' [45 cm] long, arching, many [1 to 15] flowered inflorescence arising on a newly arising pseudobulb with long-lasting, fragrant flowers, occurring in the late spring and fall.

Synonyms Brassia verrucosa subsp. gireoudiana (Rchb.f. & Warsz.) Dressler & N.H.Williams 2003; Oncidium gireoudianum (Rchb. f. & Warsz.) Rchb. f. 1863

References W3 Tropicos, Kew Monocot list , IPNI ; Lankester's Epidendra Website CR ; *Allg. Gartenzeitung 22(35): 273. 1854; Xenia Orchidaceae Rchb.f 1854 drawing; Ann. Bot. Syst. 6: 768. 1863 as Oncidium gireodianum; Die Orchideen Schlechter 1915; Repert. Sp. Nov. Regni. Veg. Beih. 17: 80. Panama Schlechter 1922; Repert. Sp. Nov. Regni. Veg. Beih. 19: 255. Costa Rica Schlechter 1923; The Orchids of Panama L.O. Williams & P Allen 1946; Encylopedia of Cultivated Orchids Hawkes 1965; AOS Bulletin Vol 39 No 1 1970 photo; Icones Planetarum Tropicarum Dodson 1980; Illustrated Encyclopedia of Orchids Pridgeon 1982; Manual of Cultivated Orchids Bechtel, Cribb & Laurent 1982; AOS Bulletin Vol 55 No 11 1986 photo; AOS Bulletin Vol 62 No 5 1993 photo; Field Guide to the Orchids of Costa Rica and Panama Dressler 1993; Icones Planetarum Tropicarum Plate 1509 Mora & Atwood 1993 drawing ok; Manual of Orchids Stewart 1995; Fieldiana Biology, Flora Costa Ricensis Family # 39 Orchidaceae, subtribes Maxillariinae and Oncidiinae Atwood & Mora 1997; Rudolf Schlechter Die Orchideen Lieferung 33-6 1997; Botanica's Orchids Laurel Glenn 2002; AOS Bulletin Vol 74 No 3 2005 photo; Flora's Orchids Nash & La Croix 2005; Vanishing Beauty, Native Costa Rican Orchids Vol 1 2005 photo fide; Orchid Species Culture: Oncidium, Bakers 2006;

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