Dendrobium hymenopetalum Schltr. 1911 SECTION Aporum

Inflorescence

Side View of Flower Photos by Leicneagra and P Base Orchid Photo Website

Full Shade Cool LATE Summer EARLY Fall

Common Name or Meaning The Diaphanous Petal Dendrobium

Flower Size .3 to .4" [.75 to 1 cm]

Found in Sumatra at elevations around 1000 to 1200 meters as a small sized, cool growing epiphyte with rhomboid in crossection, shiny green, initially yellow becoming blackish nodes, leafy mostly in the basal half, zigzag stems carrying fleshy, slightly laterally flattened, curved, leaves that blooms in the late summer and early fall on fasciles of 2 or so inflroescence held in the leafless apical portion of the stem, each one .8 to 1" [2 to 2.5 cm] long, single flowered inflorescence

Similar to D teloense but this one differs in the narrower lip with the the bilobed apex and the further separated, less tall leaves.

Synonyms Aporum hymenopetalum (Schltr.) Rauschert 1983; Ceraia hymenopetala (Schltr.) M.A.Clem. 2003

References W3 Tropicos, Kew Monocot list , IPNI ; *Contributions to the Knowledge of the Orchids of Sumatra Schlechter 1911; Orchid Species Culture Dendrobium Bakers 1996; Orchids of Sumatra J B Comber 2001; -------------------------------------------------------------------------