Shrubs patent, to 2 m tall. Branches densely pubescent. Stem leaves opposite; petiole slender, (1-)1.5-3.5 cm, pubescent; leaf blade rhombic, (2-)3-6 × (1.5-)2.5-4 cm, subglabrous or sparsely pubescent on veins, base broadly cuneate, margin coarsely crenate-serrate above middle, apical tooth acuminate or ± obtuse. Panicles terminal, 15-20 cm; cymes 3-7-flowered, pedunculate, pubescent; floral leaves similar to stem leaves, smaller, margin entire; bracteoles linear, to 1.5 mm. Pedicel to 3 mm. Calyx campanulate, ca. 3.5 mm, pubescent outside, 2-lipped nearly to middle; teeth triangular-lanceolate, lower 2 slightly longer, apex acuminate. Corolla pale violet, to 1.2 cm, puberulent outside. Stamens included. Style included. Nutlets unknown. Fl. Jul.
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