Adenogramma rigida Sond.

Stems many from the root, sprawling, 20-60 cm long, slightly woody at the base, the lower part with crowded alternate ascending leaves, the upper with whorled leaves separated by internodes 3-7 cm long, perennating from buds on either part. Leaves dark brownish-green, the lower linear, 1-3 cm long, 0.1-0.15 cm wide, acute or almost pungent, widened and slightly sheathing at the base, the upper similar but 0.5-1 cm long. Stipules linear, thread-like, deciduous. Flowering portion with a few long and many short branches. Flowers axillary, subsessile, about 2 mm long. Perianth segments obtuse, hooded, the green strip extending to the tip. Anthers yellow. Fruit ovoid, not longer than the perianth.