Plant erect or spreading, glabrous. Leaves lanceolate to oblong, rounded or obtuse; lamina 4-10 cm long, 5-25 mm wide, attenuate at base into petiole 3-5 mm long. Peduncle 10-25 mm long, terete at base, dilated and flattened in plane of bracts to 2-5 mm wide at apex, divided and fused with central bract in upper 2-4 mm; central bracts usually 14-20 mm long and 8-12 mm wide; lateral bracts linear, 1-4 mm long. Calyx entire, 0.7 mm long. Corolla in mature bud 18-28 mm long, green. Anthers 2-3 mm long, almost 1/2 length of free part of filament. Fruit ellipsoidal, c. 8 mm long.