Diaphananthe Schltr., Bot. Jahrb. Syst. 53: 600 (1915).
Heterotypic Synonyms:
Chamaeangis Schltr., Beih. Bot. Centralbl. 36(2): 107 (1918).
Ephiphytic, rarely lithophytic, monopodial herbs. Stem long or short, covered with old leaf bases. Roots long, usually numerous, arising along the stem, often with prominent white streaks. Leaves distichous, unequally 2-lobed at the apex, articulated to a sheathing base, often twisted to lie in one plane. Inflorescences 1–many, usually several- to many-flowered. Flowers translucent, usually smallish, white, greenish, pale yellow, straw-orange or, rarely, pinkish and purplish. Sepals and petals free. Lip entire or obscurely lobed, spurred, usually with a tooth-like callus in the mouth of the spur; pollinia 2; stipites 2; viscidia 1 or 2.Rostellum varied.
Type species:
Diaphananthe pellucida (Lindl.) Schltr. (lecto.).

Trop. & S. Africa
In account below the species are presented in 3 groups, as they were by Schleter in 1918.
Diaphananthe Group 1
Flowers in opposite pairs or in whorls of 3 or 4.
Diaphananthe Group 2
Flowers alternate, stems short, to 15 cm long in mature plants, or shorter; leaves in a rosette or crowded at the apex of the stems.
Diaphananthe Group 3
Flowers alternate; stems elongated, at least 20 cm in mature plants, leafy along most of their length.
Diaphananthe species some not yet are in location:
World Checklist of Monocotyledons. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the Internet; http://www.kew.org/wcsp/monocots/ accessed 27.02.2017
Bibliography and References:
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Croix I la. 1994 Angraecoid orchids: 6. Diaphananthe and some relatives. Orchid Rev. 102. (1199): 272-275 (1994)
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