Dendrobium ostrinum J.J.Sm. 1910 SECTION Grastidium

Flower Closeup Photos courtesy of Peter O'Byrne, André Schuiteman, Dr. E.F. de Vogel and Jaap Vermeulen and Their Netherlands National Herbarium Website. and Flora Malesiana Vol III

Common Name or Meaning The Purple Lipped Dendrobium

Flower Size .6" [1.6 cm]

Found in New Guinea in lowland and hill forests at elevations around 200 meters as a medium sized, hot growing epiphyte with elongated, flexuous, elliptic in cross-section stems enveloped by tubular leaf bearing sheaths and carrying oblong to lanceolate, fleshy, midvein obtusely prominent below, convex on either side of midvein above, basally and apically obtuse and somewhat unequally bilobed apically leaves that blooms in the fall on a lateral from the stem, short, 2 flowered inflorescence arising through a very short spathe and has short lived flowers.

Synonyms Dendrobium ostrinum var. ochroleucum J.J.Sm. 1913; Dendrobium ostrinum var. ostrinum; Grastidium ochroleucum (J.J.Sm.) M.A.Clem. & D.L.Jones 1997; Grastidium ostrinum (J.J.Sm.) M.A.Clem. & D.L.Jones 1997

References W3 Tropicos, Kew Monocot list , IPNI ; Orchidaceae of German New Guinea Schlechter 1985; Lowland Orchids of Papua New Guinea O'Byrne 1994 drawing/photo fide; Orchid Species Culture; Dendrobium Bakers 1996; Orchid Australia Vol 12 No 3 2000 photo as Grastidium osteinum; Flora Malesiana Orchids of New Guinea Vol II Shuiteman and de Vogel 2002

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