Stems few to several arising from a perennial woody rootstock, sparingly branched, suberect to decumbent, 0.15-0.6 m long, softly woody below, densely and shortly tomentose. Leaves subsessile to shortly petiolate; blade subcoriaceous, elliptic-lanceolate to ovate, 15-25 x 6-10 mm, sparingly tomentulose and gland-dotted on both surfaces, particularly below, secondary nerves obscure above, 2-3 pairs visible below, apex subacute to obtuse, sometimes minutely apiculate, base obtuse, margin entire; petiole up to 5 mm long. Inflorescence lax, terminal, unbranched, 80-200 mm long, of many spaced verticils; verticils usually 2-flowered; pedicels 4-12 mm long with a pair of minute bracteoles about the middle. Calyx densely pilose, gland-dotted, often purple-tinged, becoming ovoid, inflated, membranous, 10-14 x 8-10 mm; lips rounded, 2-3 mm long. Corolla violet-scented, maroon to chocolate, 12-18 mm long, finely tomentose; tube 6-9 mm long; upper lip 2-3 mm long, about 5 mm broad; lower lip 3-lobed, 5-8 mm long, 8-10 mm broad. Nutlets, excluding the wing, 5-6 mm long, subglabrous; wing broadly elliptical, about 8 x 6 mm.
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Sub-Erect or decumbent shrub, 0.15-0.60 m high; stems few to several from woody rootstock, softly woody, sparingly branched. Leaves subsessile to shortly petiolate, subcoriaceous, elliptic-lanceolate to ovate, 15-25 x 6-10 mm, base obtuse, apex subacute to obtuse, margins entire; tomentulose and gland-dotted on both surfaces. Inflorescence lax, terminal, unbranched, 80-200 mm long, of many spaced verticils, usually 2-flowered. Flowers maroon to chocolate, violet-scented. Calyx densely pilose, gland-dotted, becoming ovoid, inflated, 10-14 x 8-10 mm, membranous; lips rounded. Corolla finely tomentose; tube 6-9 mm long; lower lip 3-lobed. Fruit a nutlet, 5-6 mm long excluding broadly elliptical wing, subglabrous. Flowering time Dec.-Mar.