Species Information - Dendrobium angustispathum

Dendrobium angustispathum J.J.Sm., Nova Guinea 18 (1935) 44, pl. 9, 25.

Type: Lam 614 (holo BO); para

Synonyms:

• Dendrobium acuminatissimum (Blume) Lindl. var. mamberamense J.J.Sm., Nova Guinea 14 (1929) 411.
  - Type: Lam 614 (holo L).
• Grastidium angustispathum (J.J.Sm.) M.A.Clem. & D.L.Jones, Lasianthera 1 (1997) 58.

Rhizome very short, roots about as thick as the stems. Stems crowded, unbranched, slender, terete, in upper part laterally compressed, 45-60 cm by 1.8 mm, internodes 2.7-3 cm long. Leaf sheaths near the apex minutely verruculose-rugulose, at the apex with an obtuse, triangular, rugulose tooth opposite the leaf-blade. Leaves patent, linear, gradually narrowing towards the apex, 9-11 by 0.36-0.4 cm, apex acute, folded lengthwise. Inflorescences laterally from the stems, very short; peduncle 0.4 cm long, 2-, sometimes 3, rarely 1-flowered, spathe 1.1 cm long. Pedicel 0.5 cm long; ovary 0.36 cm long. Flowers c. 7 cm across. Dorsal sepal 5 cm by 3 mm; mentum 0.4 cm long, obtuse. Petals 3.7 cm by 1.3 mm. Lip 3-lobed, when flattened 1 by 0.6 cm; midlobe 0.48 by 0.5 cm. Column 0.15 cm long; column-foot 0.4 cm long, with an apical cavity.
(after Smith, 1935).

---