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).
Synonyms:
- Grastidium hollandianum (J.J.Sm.) Rauschert, Feddes Repert. 94 (1983) 449 ('hollandeanum').
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).
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.
Epiphyte forest on cliffs at the coast. Altitude 10 m.
New Guinea (endemic).
Papua (Jayapura Regency).
Warm growing epiphyte.
March.
Dendrobium hollandianum belongs in the affinity of Dendrobium igneum, Dendrobium podochiloides, and others, but differs e.g. in the much longer leaves.
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Dendrobium hollandianum
Dendrobium hollandianum J.J.Sm., flower, oblique lateral view, photo Ed de Vogel, Leiden cult. 20030647 (de Vogel & Vogel), from Papua New Guinea, Central Prov.
Dendrobium hollandianum
Dendrobium hollandianum J.J.Sm., plant habit, photo Ed de Vogel, Leiden cult. 20030647 (de Vogel & Vogel), from Papua New Guinea, Central Prov.
Dendrobium hollandianum
Dendrobium hollandianum J.J.Sm., stem parts with flowers, photo Ed de Vogel, Leiden cult. 20030647 (de Vogel & Vogel), from Papua New Guinea, Central Prov.
Dendrobium hollandianum
Dendrobium hollandianum J.J.Sm., flower, front view, photo Ed de Vogel, Leiden cult. 20030647 (de Vogel & Vogel), from Papua New Guinea, Central Prov.
Dendrobium hollandianum
Dendrobium hollandianum J.J.Sm., flower, lateral view, photo Ed de Vogel, Leiden cult. 20030647 (de Vogel & Vogel), from Papua New Guinea, Central Prov.
Dendrobium hollandianum
Dendrobium hollandianum J.J.Sm., flower, oblique front view, photo Ed de Vogel, Leiden cult. 20030647 (de Vogel & Vogel), from Papua New Guinea, Central Prov.
Dendrobium hollandianum
Dendrobium hollandianum J.J.Sm., floral analysis, drawing J.J. Smith, based on Gjellerup 443
Dendrobium hollandianum
Dendrobium hollandianum J.J.Sm., detail of isotype specimen: Gjellerup 443 (L)
Dendrobium hollandianum
Dendrobium hollandianum J.J.Sm., isotype specimen: Gjellerup 443 (L)