Species Information - Dendrobium cyanopterum

Dendrobium cyanopterum Kraenzl., in Engl., Pflanzenr. IV. 50. II. B. 21 (1910) 170.

Type: Copeland King (New Guinea, Bartle Bay) (holo HBG).

Synonyms:

• Grastidium cyanopterum (Kraenzl.) Rauschert, Feddes Repert. 94 (1983) 448.

Stems slender, sharply laterally flattened, up to at least 25 cm long. Leaf sheaths minutely rough-textured. Leaves linear, 10 by 0.5 cm, rarely a little longer, acuminate, papyraceous. Inflorescences very short, 2-flowered, spathe shell-shaped, shiny. Flowers c. 2 cm across. Dorsal sepal lanceolate, 0.8 cm by 1 mm, apex acuminate. Lateral sepals falcate, triangular, 1.2 cm by 2 mm, apex acuminate, strongly recurved; mentum half as long as the free part of the lateral sepals, slightly incurved, obtuse, open in front. Petals linear-lanceolate, 0.8 cm by 2 mm. Lip 3-lobed, 0.8 by 0.3 cm, narrowly cuneate at the base, with a pilose median keel extending to the midlobe; lateral lobes ovate-oblong, rounded; midlobe covered with long hairs, oblong-lanceolate, acute. Column with 3-lobulate clinandrium, the lobules very broad, retuse.
(after Kraenzlin, 1910).

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