Dendrobium angiense

Dendrobium angiense J.J.Sm., Repert. Spec. Nov. Regni Veg. 12 (1913) 116; Nova Guinea 12, 3 (1916) 346, t. 126, fig. 230.

Type: Gjellerup 1110 (syn BO); 1112 (syn L).

Stems crowded, elongated, branching, terete, 68 cm by 3.8 mm when dried, internodes to 4.3 cm long. Leaf sheaths densely verruculose. Leaves patent, not twisted at the base, narrowly lanceolate, 1.25-2.5 by 0.46-0.67 cm, coriaceous, margins near apex minutely denticulate, apex obtuse, apiculate. Inflorescences lateral from both defoliated and leafy stems, racemose, very short, 4-6-flowered. Floral bracts oblong-ovate, 0.8 by 0.34 cm, apex acuminate to narrowly obtuse, outside verruculose. Pedicel and ovary 1.85 cm long, clavate. Flowers 1.9 cm long. Dorsal sepal 0.7 cm by 4.4 mm; mentum conical, 1.1 cm long, obtuse. Petals 0.63-0.67 cm by 3.4-3.5 mm. Lip clawed, spathulate, in natural position 1.43 by 0.4 cm, claw for 0.8 cm adnate to the column-foot; apex cucullate, plicate, apical margin densely subulate-lacinulate, laterally serrulate. Column 0.27 cm long; column-foot 1 cm long, at the apex with a membrane-covered cavity.
(after Smith, 1916).

Colours: Flower light brown-red, upper half yellow, lip orange, column yellow.

Habitat: Epiphyte on low mossy shrubs growing on granite gravel covered with peaty soil, also in open montane forest. Altitude 1900 m.

Flowering time in the wild: April.

Distribution: New Guinea (endemic).

Distribution in New Guinea: Papua (Manokwari Regency: Arfak Mountains).

Notes: Dendrobium angiense will almost certainly prove to be conspecific with Dendrobium subclausum.

Cultivation: Cool growing epiphyte.