Shrub 2.8-4 m tall, freely branched; branchlets sericeous. Leaves petiolate, soft; blade ovate-lanceolate to broadly ovate, 20-45 x 12-25 mm, sparingly to densely pubescent, freely gland-dotted on both surfaces, apex acute to subobtuse, base obtuse, margin entire or occasionally with a few weak teeth; petiole 7-17 mm long. Inflorescence terminal or on short side shoots, of few to several spaced verticils; verticils 1-2-flowered; pedicels 8-10 mm long with a pair of minute bracteoles below the middle. Calyx enlarging to 15 mm long, membranous, lips 3-4 mm long. Corolla mauve to violet, 22-27 mm long, sparsely pubescent without; tube 12-15 mm long, 2 mm broad at the base; upper lip 2-3 mm long, about 5 mm broad; lower lip 10-12 mm long, 12-14 mm broad. Nutlets, excluding the wing, 6 mm long, glabrous; wing broadly elliptical, about 8 x 7 mm.
Home