Dendrobium hollandianum

Dendrobium hollandianum J.J.Sm., Repert. Spec. Nov. Regni Veg. 12 (1913) 112; Nova Guinea 12, 4 (1916) 312, t. 113, fig. 205.

Type: Gjellerup 443 (holo BO; iso L).

Stems elongated, terete, in upper part slightly laterally compressed, 100 cm long, internodes 1.3-3 cm long. Leaf sheaths much longer than the internodes, apex truncate. Leaves widely patent, linear-lanceolate, 9-10 by 0.95-1.5 cm, coriaceous, apex strongly unequally obtusely bidentate. Inflorescences laterally from the stems; peduncle 0.55 cm long, 2-flowered. Pedicel 1.1 cm long; ovary 0.38-0.6 cm long. Flowers 1.8-2.5 cm across, sweetly aromatic. Dorsal sepal 1.3-1.5 cm by 6-6.8 mm; mentum 0.6-0.63 cm long, truncate. Petals 1.2-1.5 cm by 5.5-7.8 mm. Lip 3-lobed, when flattened 0.94-1.23 by 0.67-0.7 cm; midlobe 0.48-0.55 by 0.68-0.8 cm. Column 0.45-0.47 cm long; column-foot 0.6-0.68 cm long.
(after Smith, 1916).

Colours: Flower yellowish white to creamy yellow, lip at the base with a V-shaped yellow spot, column-foot with a blue-violet W-shaped mark, anther light yellow.

Habitat: Epiphyte forest on cliffs at the coast. Altitude 10 m.

Flowering time in the wild: March.

Distribution: New Guinea (endemic).

Distribution in New Guinea: Papua (Jayapura Regency).

Map: HOLLAMAP.JPG [Dendrobium hollandianum J.J.Sm., distribution map.]

Notes: Dendrobium hollandianum belongs in the affinity of Dendrobium igneum, Dendrobium podochiloides, and others, but differs e.g. in the much longer leaves.

Cultivation: Warm growing epiphyte.