Species Information - Dendrobium obreniforme

Dendrobium obreniforme Schuit. & Peter B.Adams, Muelleria 29 (2011) 64

Type:

Synonyms:

• Dendrobium finisterrae (Schltr.) J.J.Sm., Bull. Jard. Bot. Buitenzorg, sér. 2, 8 (1912) 18 (non Schltr.).
• Cadetia finisterrae Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 436; 21 (1923) t. 151

Roots to more than 9 cm long, 0.5-1 mm diameter. Rhizome very short. Pseudobulbs crowded, terete, weakly 4-ribbed, 1.2-2.5 cm long, 1-2 mm diameter. Leaf linear, index 7.5-12, 1.5-3 cm by 2-4 mm, base gradually narrowed, apex obtuse, minutely bilobulate, mucronate, mucro longer than the lobules. Inflorescences terminal from the leaf axil and subterminal just below the abaxial side of the leaf, solitary, at the base with a 4-5 mm long tubular sheath. Peduncle 3-4 mm long. Ovary and pedicel 25 mm long, 3-winged, glabrous. Flower c. 0.8 cm across. Median sepal patent, narrowly ovate, 5.4 by 2.3 mm, acute, 3-nerved. Lateral sepals patent, obliquely elliptic-ovate, 4.6 by 2.9 mm, apex falcate-apiculate, 3-nerved; mentum conical, straight, 2.7 mm long, apical closed part 0.3 mm, apex rounded. Petals patent, somewhat obliquely linear, 4.4 by 0.8 mm, entire, obtuse, 1-nerved. Lip spathulate, 3-lobed, papillose on the callus and apical part of hypochile; hypochile 3.6 mm long, of which 0.3 mm fused with the column foot, 4.2 mm wide across the flattened lateral lobes; lateral lobes semi-elliptic, 1.4 by 1.1 mm, entire, apex rounded, forward-projecting over the midlobe when flattened; midlobe transversely oblong, 2.1 by 6.3 mm, fleshy, entire, apex shallowly emarginate, mucronate; callus at base of midlobe transverse, rounded, pubescent. Column 1.6 mm long, pubescent in front below the stigma, wings triangular; clinandrium entire, with a triangular median tooth; foot 2.4 mm long, pubescent at the base. Anther cucullate, 0.7 by 1 mm, base emarginate; apex truncate, pubescent; pollinia 0.7 mm long. Fruit not seen.

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