Much-branched, bushy perennial, suberect or sprawling, c. 0.6–1 m, or scrambling over shrubs to 3 m or more, stem and branches softly pilose especially about the nodes when young, glabrescent with age. Main leaves of stem and branches broadly lanceolate to ovate or subcordate-ovate, 3–6.5 x 1.2–3.7 cm, opposite, rapidly reducing above and finally small and linear-lanceolate, acute or acuminate, moderately to densely furnished with fine hairs, distinctly petiolate. Inflorescence a large open compound panicle of opposite simple or branched spikes each with a zigzag, often very fine and almost capillary axis. Flowers sessile. Tepals green, outer 2 lanceolate-oblong to oblong, 3–3.5 mm, furnished especially on the 3 equally strong nerves with fine whitish hairs, nerves confluent at the apex but excurrent at most in a very short apiculus, hyaline borders distinct; inner 2 slightly shorter, pilose only on the midrib, the lateral 2 veins fainter, hyaline margins broad; middle tepal with one margin as for the outer, one as for the inner tepals. Filaments narrow but firm, pseudostaminodes none. Style slender, c. 1 mm. Capsule ovoid, 2–2.25 mm.
