Adenogramma sylvatica Fenzl

Slender, sprawling or almost scandent, herbaceous or slightly woody. Stems brown, glabrous, 50-100 cm long, branched. Leaves in distant whorls usually of 4, persistent, ovate or ovate-lanceolate, 3-8 mm long, 1-4 mm wide, pale green, thin, acute, hair-pointed. Stipules small, reflexed, thread-like, about 1 mm long. Flowers in the upper axils; pedicels thread-like, as long as or longer than the leaves, often appearing as if below the leaves. Perianth segments 2 mm long, white with a narrow green midrib, obtuse, cucullate. Anthers yellow. Fruit rotund-ovate, slightly compressed laterally, not prolonged at the top, brown, finely granulate.