Petiole to 9 cm, densely pale brown woolly; leaf blade obovate to elliptic, 4-15 X 3-7 cm, adaxially villous, abaxially densely pale brown woolly, glabrescent between veins, base sometimes slightly oblique, cuneate to rounded, margin dentate to crenate or serrate, apex obtuse to rounded; lateral veins 5-9 on each side of midrib, distinct. Cymes 2-12-flowered; peduncle 7-20 cm, glandular pubescent to villous; bracts 2, ovate, 5-6 X 1.5-3.5 mm, brown woolly, margin entire. Pedicel 0.7-2.5 cm. Calyx segments ovate, 2.5-3 mm, margin entire. Corolla white to pale purple, ca. 1.2 cm, outside sparsely puberulent; tube cylindric, narrowed at mouth, 7.5-12 X 2-3.5 mm; limb 2-lipped; adaxial lip 2-sect from near base, all lobes 4-9 X 1-2 mm. Stamens adnate to 2-3 mm above corolla base, 4.5-6.5 mm; filaments slender, glabrous; anthers broadly oblong, 2-loculed, dehiscing longitudinally, connective glabrous; staminode 1, ca. 1.2 mm. Disc ca. 1.5 mm, slightly undulate. Pistil ca. 8 mm, glabrous. Stigma 1, disc-shaped. Capsule 2.6-3.6 cm. Fl. Jul, fr. Oct.
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