Species Information - Dendrobium iboense

Dendrobium iboense Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 474; 21 (1923) t. 160, fig. 599.

Type: Schlechter 17978 (syn B, lost); 17799 (syn B, lost; iso G, L).

Synonyms:

• Diplocaulobium iboense (Schltr.) A.D.Hawkes, Lloydia 20 (1957) 128.

Rhizome short, roots elongated, filiform, flexuose, glabrous. Pseudobulbs crowded, 1-leaved, slender, slightly thickened to the base, ancipitous, 7-11 by 0.5 cm (at the base). Leaves linear, 4.5-7 by 0.3-0.5 cm, apex obtuse, strongly unequally bilobulate, subcoriaceous. Inflorescences arising in succession from the apex of the pseudobulb, 1-flowered, spathe laterally compressed, 1.5-1.7 cm long, acute. Pedicel and ovary 4 cm long, slender, glabrous. Flower resupinated, c. 8 cm across. Dorsal sepal lanceolate, 4 cm long, apex elongate-acuminate. Lateral sepals obliquely lanceolate, abruptly widened to the base, 4 cm long, apex elongate-acuminate; mentum oblongoid, 5 mm long, obtuse. Petals linear, filiform-elongated, c. 3.8 cm long. Lip 3-lobed in basal third, 0.9 by 0.45 cm (across lateral lobes), cuneate at the base, with two subparallel keels extending from the base of the lip to about halfway the midlobe, in apical half with a short third keel in between, lateral lobes falcate-oblong, about one third the length of the midlobe, obtuse; midlobe reniform with a ligulate claw, glabrous, apex broadly obtuse. Column short, clinandrium with minutely serrulate lobules; column-foot 0.5 cm long. Anther rectangular helmet-shaped, glabrous, in front broadly obtuse.
(after Schlechter, 1912).

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