Hippeophyllum hamadryas (Ridl.) Schltr. in K.Schum. & Lauterb., Nachtr. Fl. Deutsch. Schutzgeb. Südsee (1905) 108
Basionym: Oberonia hamadryas
Rhizome long creeping. Stems c. 2.5 cm apart. Leaves laterally compressed, ensiform, falcate, recurved, 5 by 0.63 cm. Inflorescence racemose, 10-12.5 cm long, glabrous, peduncle very short, not angular, rachis elongated, rather laxly many-flowered. Floral bracts lanceolate, slightly longer than the ovary, apex acute, convolute, margins entire. Flowers patent, glabrous. Sepals and petals lanceolate, lorate, reflexed, apex obtuse. Lip 3-lobed; lateral lobes erect, short, obtuse; mid-lobe cordate-triangular, acute. Column straight, semiterete. Anther oblong-ovate, obtuse. (After Ridley, 1886, as Oberonia hamadryas Ridl.).
Colours: Sepals and petals white, lip and column orange.
Habitat: Not recorded, probably epiphyte in lowland forest.
Flowering time in the wild: Not known.
Distribution: Malesia (New Guinea, endemic).
Distribution in New Guinea: Papua New Guinea.
Cultivation: Warm growing epiphyte.