Prostrate or ascending annual or perennial herb 7–90 cm. tall; stems, petioles and inflorescences pubescent with long bristly and shorter finer ± spreading mixed white hairs, often quite dense.. Leaves alternate or ± opposite, blades mostly ovate, elliptic or oblong, 1–11.5 cm. long, 1–5.5(–7.5) cm. wide, acute to rounded at the apex, cuneate, rounded or ± truncate at the base, obscurely to fairly distinctly crenate or undulate, pubescent with bulbous-based and finer hairs above, ± densely ± adpressed pubescent to sometimes quite woolly beneath, the hairs on the venation longest and the finer hairs with their tubercles giving a granular appearance to the surface, sometimes slightly bullate with the varying direction of the indumentum adding emphasis; petioles 0.8–4.5 cm. long.. Inflorescences unbranched or 2–3-branched, the young cymes 2 cm. long extending to 23 cm. with numerous very closely placed flowers; peduncles 4–16 cm. long.. Calyx-lobes linear to lanceolate or oblong-lanceolate from a narrowly triangular base, often a little unequal, 2–5 mm. long, spreading pubescent.. Corolla white; tube 3–6 mm. long, mostly inflated about the middle, ± densely pubescent outside; lobes often quite unequal, obovate-oblong, 1.5–4 mm. long, 1.2–2 mm. wide, rounded at apex.. Style 1.5 mm. long; stigmatic cone 1.5 mm. long, narrow and papillate.. Fruit depressed globose, 2 mm. tall, 3–4 mm. wide, with median groove narrow and not extending to base of nutlets but with a commissure where they join at apex so that nutlets are undulate but not 2-horned at apex; each nutlet 3-locular in section.. Fig. 16/6, p. 60.
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