Shrub or small tree to 7 m tall; lignotubers not known. Branches erect, slender; young branches with long spreading hairs. Leaves shortly petiolate; petiole 2-3 mm long; lamina linear or narrowly oblanceolate, 1.5-9 cm long, 2-5 mm wide, tapering slightly at base, sparsely hirsute, glabrescent; margins irregular and slightly revolute; apex usually shortly mucronate. Conflorescence appearing axillary, 1-flowered; inner bracts 2-4 mm long. Flowers zygomorphic. Perianth 25-35 mm long, green or yellow, dilated about middle, sparsely to densely pubescent; abaxial suture apparently deepest. Hypogynous glands 4, free. Style sparsely pilose in lower half. Fruit slender, cuneate, erect, c. 7-15 mm long, c. 3-5 mm wide; beak erect or curved inwards or outwards; sides smooth or slightly striate. Seeds apparently solitary, asymmetrically cuneate; wing apical, 1 mm long.
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