Hooker's Icon. Pl. 15: 15, t. 1419 (1883), nom. cons.; Valeton, Bot. Jahrb. Syst. 52: 42-100 (1914); R.M. Sm., Notes R. Bot. Gard. Edinb. 31: 297-306.
Rhizomatous herbs, terrestrial or sometimes epiphytic. Inflorescence usually a lax raceme, terminal on the leafy shoot, or sometimes congested and terminal on a separate leafless shoot; bracts small and caducous or absent, cincinni 1-3- flowered; bracteole absent; flowers yellow to orange; calyx tubular, split down on 1 side, caducous, apex entire or 3-dentate; corolla tube shorter or longer than calyx, dorsal petal cucullate, sometimes rostrate; lateral staminodes absent; labellum erect, 2-lobed to bifid, joined to the lateral petals and of similar length; filament short and broad, anther crest inconspicuous or absent; ovary 1- or 3-locular. Capsule fleshy, globose to ellipsoid, dehiscent; seeds with basal, sometimes cupular aril. (From Kubitsky, et al., p. 491)
Found in E Malaysia, New Guinea, the Bismarck Archipelago and the Moluccas.
Comprises about 25 species.
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