Prev Taxon: Genus Oberonia section Scytoxiphium
Current Genus: Genus Octarrhena
Next Taxon: Genus Odontochilus
Octarrhena macgregorii (Schltr.) Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 901
Type: MacGregor s.n. (VI-1889; crest of Owen-Stanley Range, PNG) (holo B, lost)
Synonyms:
Epiphytic, decumbent to ascending, rooting, branching. Stems and branches slender, terete, entirely covered by the persistent leaf-sheaths, laxly leaved. Leaves patent, articulated with the sheaths, subulate-filiform, acute, glabrous, 1-1.8 cm long. Inflorescences arising from the leaf-axils, erect-patent, almost distichous, rather laxly 10-20-flowered, a little longer than the leaves. Floral bracts lanceolate, acuminate, glabrous, as long as the flowers. Flowers erect-patent. Sepals patent, ovate, subobtuse, glabrous, about 0.1 cm long. Lateral sepals slightly oblique. Petals obliquely oblong, obtuse, erect-patent, about 3 times shorter than the sepals. Lip as long as the petals, suborbicular, obtusely and shortly acuminate, with concave-incurved margins, glabrous. Column short, cylindrical; stigma small; rostellum large. Anther about reniform, subobtuse. Ovary shortly pedicellate, clavate, glabrous, about 0.1 cm long.
(After Schlechter, 1906)
Not recorded for the type; flowers orange in specimens that are belived to be attributable to this species.
Epiphyte in subalpine forest; 3500 to 3800 m.
Malesia (New Guinea, endemic).
Cool growing epiphyte.
June.
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