Small tree or scrambling shrub. Young branches with a greenish brown bark and dense, patent, bristly hairs. Leaves: petiole 0.7-8 cm long; blade ovate-acute, (2.5-)5-22 by 1.5-16 cm, margin finely serrate with cuspidate teeth, base obliquely to subhori-zontally truncate or rounded, apex acute to acuminate, rarely subobtuse, nerves (3-)4-6 on each side, darker upper surface short strigillose, pale lower surface tomentose. Inflorescence subcorymbose, lateral, subterminal or in fork of uppermost branches; peduncle 0.7-3.5 cm long. Flowers numerous; pedicels less than 1 mm long. Calyx subcylindri-cal to cylindrical-campanulate, with 10 distinct, longitudinal ribs, 3-3.5 mm long, 2-2.5 mm wide in flower, widened to 3.5(-4) mm in fruit, with 5 distinct, triangular, acute lobes, reddish tomentose. Corolla 3 mm long, tube cylindrical, lobes revolute, 2 mm long, scarcely 1 mm wide, oblong. Stamens with short filaments, anthers exserted from the corolla. Fruit ovoid, acute, (5-)8 by (4-)5 mm.
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Pending. See references in Bibliography.