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Dendrobium obscureauriculatum

Dendrobium obscureauriculatum

Dendrobium obscureauriculatum Gilli, Ann. Naturhist. Mus. Wien 84, B (1980 publ. 1983) 29, fig. 18 ('obscure-auriculatum').

Type: Gilli 266 (holo W).

Synonyms:

  • Grastidium obscureauriculatum (Gilli) M.A.Clem. & D.L.Jones, Lasianthera 1 (1997) 94.

Rhizome very short, roots thick, flexuose. Stems crowded, strongly bilaterally compressed, unbranched, 20-30 cm by 2 mm, in upper part densely many-leaved, in basal part not covered by sheaths, blackish. Leaf sheaths lined by raised veins. Leaves much longer than the internodes, narrowly ovate-lanceolate, 5-10 by 1-1.2 cm, apex obtusely and unequally bilobulate. Pedicel and ovary 1.5 cm long. Flowers 1.5 cm long. Dorsal sepal ovate-lanceolate, 1.5 cm long, apex subacute. Lateral sepals oblique; mentum 0.2 cm long, obtuse. Petals broad, about as long as the sepals, apex obtuse. Lip 3-lobed near the middle, broadly ovate; lateral lobes much smaller than the midlobe, obtuse. Column tridentate at apex; column-foot large.
(after Gilli)


Sepals yellow, tinged reddish outside, petals yellow, lip yellow with a median reddish stripe, the lateral lobes vaguely striped and spotted with violet.

Epiphyte in montane forest with Pandanus dominating. Altitude 2100 m.

New Guinea (endemic).

Papua New Guinea (Simbu Province).

Map: Dendrobium obscureauriculatum Gilli, distribution map.

Cool growing epiphyte?

January.

  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Dendrobieae
  • Subtribe Dendrobiinae
  • Genus Dendrobium
  • Section Grastidium
  • Species Dendrobium obscureauriculatum

The published description and illustration of Dendrobium obscureauriculatum by Gilli are exceptionally poor and probably misleading.


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Dendrobium obscureauriculatum

Dendrobium obscureauriculatum Gilli, drawing A. Gilli in Ann. Naturhist. Mus. Wien 84, B (1980 publ. 1983) 29, fig. 18 ('obscure-auriculatum'), based on Gilli 266 (holotype W)