Small shrub, virgate, scrambling or forming dense tangled clumps, up to 1 m. high.. Stems wiry, pale yellow-green, glabrous, bearing numerous fine longitudinal ridges, 4 per mm.. Leaves often soon disappearing, only the petiole bases remaining on stem as brown scales; leaf-blades obovate, 5–12 mm. long, 5–6 mm. broad, acute, glabrous, chartaceous; petiole winged, base amplexicaul.. Peduncle bearing short dense white hairs; pedicels up to 0.5 mm. long. Bracts ovate or ovate-lanceolate, 1.5 mm. long, 1.5 mm. broad, acute, bearing short dense white hairs beneath.. Calyx not prominently ribbed, 6–7 mm. long, 3 mm. wide, bearing short dense white hairs and abundant evenly distributed stalked glands; stalks stout, less than 0.25 (–0.5) mm., glands small; calyx-teeth up to 2 mm. long.. Corolla white; tube 10–13 mm. long, 1.5–2 times length of calyx; lobes obovate, 6 mm. long, with shortly excurrent central nerve.. Fig. 3/8, p. 7.
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Strong taproot producing few-branched, rather straight, rod-shaped stems ½-1 mlong, often rooting and producing new plants. Leaves without auricles. Racemes 2-6 cm long. Calyx 7-8 mm high, hairy between the glands. Corolla-tube 14-16 mm, much broader than in the prec. sp., lobes emarginate. Anthers green-yellow. Style base long-hairy.
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