Tolumnia quadriloba (C.Schweinf.) Braem 1986 Photo by © Guido Braeme

Another Flower Photo by © Rudolf Jenny and The Swiss Orchid Foundation at the Jany Renz Herbaria Website>

TYPE Drawing of Oncidium quadrilobum TYPE Drawing © by Charles Schweinfurth

Common Name The 4 lobed Tolumnia [refers to the lip]

Flower Size .7" [1.7 cm]

Found in Dominican Republic and Haiti in dry scrub at elevations around 60 to 120 meters as a mini-miniature to small sized, hot growing epiphyte with 2 to 3, short, serrate, channeled, thick, striate with raised veins, linear-lanceolate leaves that blooms in the spring on an axillary, thin, erect to suberect, paniculate, peduncle provided with numerous, small, remote, scarious bracts 2.8 to 18" [7 to 45 cm] long, rachis 1 to 6 branched, more or less fractiflex, several to many flowered inflorescence with ovatetriangular, acute, concave, scarious, spreading floral bracts.

Synonyms Oncidium osmentii Withner 1967; *Oncidium quadrilobum C.Schweinf. 1946; Tolumnia osmentii (Withner) Braem 1986

References W3 Tropicos Kew Monocot list , IPNI ; AOS Bulletin Vol 14 # 4 1946 as Oncidium quadrilobum drawing fide; * Moscosoa 4: 195 Dod 1986 as Oncidium osmenti; ; AOS Bulletin Vol 64 No 11 1995 photo fide; Rudolf Schlechter Die Orchideen Band 1C lieferung 33 - 36 2057 - 2308 Brieger 1997 drawing/photo fide; Orchid Species Culture Oncidium/Odontoglossum Bakers 2006

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