Dendrobium wekainense
Dendrobium wekainense Ormerod, Malesian Orchid J. 4 ( 2009) 53, fig. 4.
Type: Rees & Reeve 145 (holo K).
Synonyms:
Rhizome, roots and lower part of stem not collected. Stem upper part subterete, to 19 by 0.10—0.15 cm, laxly leafy. Leaves erect, linear-lanceolate, 3.7—5.85 by 0.35-0.4 cm; sheaths to 1.7 cm long, tubular, striate, minutely transversely rugulose in apical quarter; opposite leaf axil with a 2—2.5 mm long subacute to obtuse lobule; apex unequally bidentate. Inflorescence 1-flowered; peduncle very short. Flowers not resupinate. Pedicel and ovary curved, thickly clavate, 0.3—0.35 cm long. Median sepal ovate, c. 0.5 by 0.25 cm; apex obtuse; 7-nerved. Lateral sepals obliquely ovate, c. 0.6 by 0.4—0.5 cm; apex obtuse; 7-nerved; mentum c. 4.5 mm long. Petals ligulate-oblanceolate, 5 by 1.2 mm; apex obtuse; 3-nerved. Lip obovate-elliptic, 0.7 cm long, membranous; claw cuneate, 0.27 cm long; blade separated from claw by a transverse fold, subquadrate, 0.43 by 0.42 cm; apex obtuse, with a slightly callose thickening. Column c. 0.2 cm long; column foot c. 0.5 cm long.
(after Ormerod 2009)
Flower colour not known.
Upper montane forest. Altitude 2600 m.
Malesia (Papua New Guinea).
Papua New Guinea (Enga Province).
Cool growing epiphyte.
Flowering time not recorded.
- Family Orchidaceae
- Subfamily Epidendroideae
- Tribe Dendrobieae
- Subtribe Dendrobiinae
- Genus Dendrobium
- Section Biloba
- Species Dendrobium wekainense
Dendrobium wekainense differs from D. integrum subsp. merianum, which also has a membranous lip, in the presence of a basal callus and the devision into a blade and claw by a transverse fold.
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Dendrobium wekainense
Dendrobium wekainense Ormerod. Drawing Paul Ormerod in Malesian Orchid J. 4 ( 2009) 53, fig. 4, based on the type, Rees & Reeve 145 (holo K).