Woody in lower parts, much branched especially in the middle and upper parts, branches terete up to 7.5 dm. long, with persistent somewhat matted indumentum, white on the younger shoots; internodes mostly 1–3 cm. long. Leaves narrowly oblanceolate or oblanceolate-linear, acute, apiculate, gradually narrowed below but no distinct petiole, 5–32 mm. long, 0.5–9 mm. broad, hairy when young (especially on the margins), glabrescent with increasing age; stipules acuminate, 3–4 mm. long. Flowers 1.5 mm. long. Ovary papillose. Fig. 5.