
Bifrenaria vitellina (Lindl.) Lindl. 1843 sect Stenocoryne Photo by © Lourens Grobler
Inflorescence Photo courtesy of Dalton Holland Baptista
Common Name The Yolk-Yellow Bifrenaria
Flower Size 1" [2.5 cm]
This small sized, warm to cool growing epiphytic species is found in south central, coastal Brazil in montane rainforests at elevations of 600 to 1200 meters and has a sharply four sided, oval pseudobulb carrying a single, apical, leathery leaf that gives rise to a basal, erect to arching, 4 to 8 " [10 to 20 cm] long, few to several [3 to 8] flowered inflorescence arising on a mature pseudobulb, occuring in the summer. Cool to warm conditions, high humidity, moderate bright light, and ample water while growing and a lessening in the winter until the new growths arise.
Synonyms Adipe vitellina (Lindl.) M.Wolff 1990; Bifrenaria harrisoniae var. vitellina Stein 1892; Maxillaria barbata Knowles & Westc. 1841; *Maxillaria vitellina Lindl. 1838; Stenocoryne vitellina (Lindl.) Kraenzl. 1896
References W3 Tropicos, Kew Monocot list , IPNI ; Icones Orchidacearum Brasilienses I Castro & Campacci 1991; Encyclopedia of Cultivated Orchids Hawkes 1982 as Stenocoryne vittelina; Flora Brasilica Hoehne 1953 as Stenocoryne vitellina; Orchidaceae Brasilense Pabst & Dungs 1970;