Poaephyllum Ridl., Mat. Fl. Malay Penins. 1 (1907) 108
Synonyms:
Sympodial epiphytes, rarely terrestrials or lithophytes. Rhizome very short. Stem elongated, very slender, wiry, many-leaved. Leaves deciduous, duplicate, narrow, thin-textured but rather stiff, arranged in two rows, glabrous; the base sheathing. Inflorescence lateral, wiry. Flowers opening in succession, small, resupinate, usually greenish, pinkish or purplish with a white lip. Sepals free. Petals free, narrower than the sepals. Lip without spur, not mobile, entire or 3-lobed; basal appendage absent; adnate to the sides of the column foot. Column-foot present; anther with bidentate apex; pollinia 8, solid; caudicles absent; stipe absent; viscidium present.
Mainland Southeast Asia, Nicobar Islands, Malaysia, Indonesia, the Philippines, Papua New Guinea. About 6 species; in New Guinea 3 species.
Trunk and branch epiphytes in evergreen lowland forest to montane forest, forest on ultramafic rock and in low open peat forest; sometimes on rocks in river beds or on roadside banks.
Genus Poaephyllum is similar to Genus Appendicula, but has 8 pollinia, and has a lip without basal appendage. A poorly studied genus with insignificant flowers, hardly ever seen in cultivation.
Genus Poaephyllum in New Guinea contains 3 species:
Poaephyllum fimbriatum
Poaephyllum podochiloides
Poaephyllum tenuipes
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