Species Information - Dendrobium leucohybos

Dendrobium leucohybos Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 486; 21 (1923) t. 164, fig. 613.

Type: Schlechter 17097 (holo B, lost).

Synonyms:

• Latourea leucohybos (Schltr.) Brieger, in Schltr., Orchideen, ed. 3, I/A (1981) 727, but generic name not accepted.
• Latourorchis leucohybos (Schltr.) Brieger, in Schltr., Orchideen, ed. 3, I/A (1981) 727, in Supp. 18 as Latourea.
• Sayeria leucohybos (Schltr.) Rauschert, Feddes Repert. 94 (1983) 467.
• Dendrobium leucohybos Schltr. var. leucanthum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 487.
  - Type: Schlechter 17486 (holo B, lost; iso AD, AMES, BO, G, K, L 2x, NSW).

An erect to pendent epiphytic herb. Pseudobulbs clustered, cylindrical, only slightly dilated above, 4-5-noded below leaves, 10-22 by 0.3-0.5 cm, 1-2-leaved at the apex. Leaves twisted at base to lie in one plane, coriaceous, narrowly elliptic-lanceolate, acuminate, to 15 by 3.6 cm. Inflorescences terminal and/or lateral from uppermost node below leaves, up to 11 cm long, about 5-flowered; bracts ovate, apiculate, 4-5 mm long. Flowers fleshy. Dorsal sepal elliptic, acuminate, 10-11 by 5 mm, lateral sepals falcate, very obliquely triangular, acuminate, 10-11 by 10 mm; mentum incurved-conical, 10 mm long. Petals narrowly elliptic, acuminate, 9 by 3 mm. Lip geniculate and broadly clawed at base, entire or obscurely 3-lobed at apex, obovate in outline, recurved at apiculate apex; side margins rounded; callus three-quarters length of lip, 3-ridged at apex. Column 3 mm long; foot incurved, 1-1.3 cm long.
(after Cribb, 1983).

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