Dendrobium gibbiferum J.J.Sm., Nova Guinea 14 (1929) 405, pl. 60, 57.
Type: Gjellerup 852; 942 (syn BO).
Synonyms:
Pseudobulbs 1-leaved, at the base fusiform, 2.1-2.2 by 0.85-0.9 cm, upper part long and slender, '1.1' (11?) cm by c. 2 mm, at the apex c. 3 mm wide. Leaves erect, lanceolate, 6.7-7 by 1.8-2 cm, coriaceous, apex deeply subacutely bidentate. Inflorescences 1-flowered, spathe 2-2.2; peduncle 0.75 cm long. Pedicel 4 cm long; ovary 0.4 cm long. Flower c. 8 cm across. Dorsal sepal 5.5 cm by 5.7 mm. Lateral sepals 5.3-5.9 cm by 10 mm, mentum c. 0.75 cm long. Petals 5.3 cm by 2.3 mm. Lip 3-lobed, 1.6 by 0.63 cm, with two papillose keels, on the basal half of the midlobe with a hairy, laterally compressed callus; midlobe clawed, the claw 0.3 by 0.4 cm, the blade suborbicular, 0.55 by 0.63 cm. Column 0.4 cm long; column-foot 0.75 cm long.
(after Smith, 1929).
Sepals and petals pink with yellow tips, lip in the centre yellow, lateral lobes with brown margins.
Epiphyte in hill forest on limestone and basalt and in montane forest. Altitude 500-1500 m.
New Guinea (endemic).
Papua (Jayapura Regency).
Intermediate growing epiphyte.
June, November.
Dendrobium gibbiferum J.J.Sm. is a large-flowered relative of Dendrobium aratriferum J.J.Sm.
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