Dendrobium ridleyanum Schltr., in K.Schum. & Lauterb., Nachtr. Fl. Deutsch. Schutzgeb. Südsee (1905) 160 (nom. nov.).
Type: Forbes 531 (holo BM).
Synonyms:
Rhizome long, creeping, with relatively few roots. Pseudobulbs rather distant, 1-leaved, elongate-ovoid to conical, 2 by 0.7-0.8 cm. Leaves narrowly lanceolate, 2.5 by 0.4-0.5 cm, coriaceous, apex acute-acuminate, the very tip obtuse. Inflorescences terminal, often fasciculate, 1-flowered, together with pedicel and ovary as long as or a little longer than the leaves, spathe ?lanceolate. Flower c. 2 cm across when flattened and expanded. Dorsal sepal lanceolate, 1 cm long, apex acute. Lateral sepals with the free part similar to the dorsal sepal, mentum rather large, slightly curved, about as long as the free part. Petals linear-lanceolate, c. 1 cm long, apex acute. Lip ligulate, slightly widened near the apex, obscurely 3-lobed near the apex, the lateral lobes hardly developed, midlobe rounded, obtuse.
(after Kraenzlin, 1910 - as Dendrobium humifusum).
Sepals and petals white, lip on midlobe with purple spots and margins, at apex golden yellow.
Presumably in seasonally dry lowland forest. Altitude 550 m.
New Guinea (endemic).
Papua New Guinea (Central Province: Sogeri).
Warm growing epiphyte.
Not known.
Dendrobium ridleyanum Schltr. is related to Dendrobium chrysotropis Schltr., but the description of D. ridleyanum is insufficiently detailed to judge whether they are conspecific (in which case the latter name would have priority).
Sponsored Ads