Dendrobium vanleeuwenii
Dendrobium vanleeuwenii J.J.Sm., Nova Guinea 18 (1935) 40, pl. 8, 22.
Type: Docters van Leeuwen 10336 (holo L).
Synonyms:
- Diplocaulobium vanleeuwenii (J.J.Sm.) P.F.Hunt & Summerh., Taxon 10 (1961) 109.
Rhizome creeping. Pseudobulbs 0.5-0.6 cm apart, 1-leaved, at the base fusiform, 1.2-1.6 by 0.5-0.6 cm, upper part slender, 2.3-6.5 cm long. Leaves linear, 3.5-6.3 by 0.3 cm, coriaceous, apex bidentate. Inflorescences 1-flowered, spathe 0.85-1.4 cm by 1 mm; peduncle 0.85 cm long. Pedicel 4.4 cm long; ovary 0.3 cm long. Flower c. 5 cm across. Dorsal sepal 3 cm by 3 mm. Lateral sepals 3.1 cm by 6 mm, mentum 0.5 cm long, obtuse. Petals 2.7 cm by 1 mm. Lip 3-lobed, 1.25 by 0.44 cm, with two keels, in the basal 2/3 of the midlobe with a lanceolate callus covered with clavate hairs; midlobe 0.7 by 0.3 cm, apex acute. Column 0.2 cm long; column-foot 0.5 cm long.
(after Smith, 1935).
Flower (past anthesis) light red, lip yellow (flower probably white when fresh).
Epiphyte in riverine forest. Altitude 300 m.
New Guinea (endemic).
Papua (Nabire Regency)
Warm growing epiphyte.
September.
- Family Orchidaceae
- Subfamily Epidendroideae
- Tribe Dendrobieae
- Subtribe Dendrobiinae
- Genus Dendrobium
- Section Diplocaulobium
- Subsection Diplocaulobium
- Species Dendrobium vanleeuwenii
Dendrobium vanleeuwenii J.J.Sm. is similar to Dendrobium mamberamense J.J.Sm., but differs in the narrower midlobe of the lip and in the length of the keels. It should also be compared with Dendrobium araneola Schltr. and Dendrobium ditschiense J.J.Sm.
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Dendrobium vanleeuwenii
Dendrobium vanleeuwenii J.J.Sm., drawing J.J. Smith, based on Docters van Leeuwen 10336
Dendrobium vanleeuwenii
Dendrobium vanleeuwenii J.J.Sm., holotype specimen: Docters van Leeuwen 10336 (L)
Dendrobium vanleeuwenii
Dendrobium vanleeuwenii J.J.Sm., detail of holotype specimen: Docters van Leeuwen 10336 (L)