Shrubs or small trees, the branchlets ultimately angular, scarcely lenticellate, villous. Leaves ovate to elliptic, 8-37 cm long, 4-14 cm wide, acuminate, atten-uate to rounded at the base, the lateral veins 11-18, chartaceous, pilose above, sericeous along the veins, especially in the axils; petioles 0.8-7.0(-8.5) cm long, villous; stipules triangular, 7-17 mm long, cuspidate, often with 2 reduced lateral teeth, glabrate. Inflorescences terminal, of dichasia or scorpioid cymes; pedun-cles 1.5-5.5 cm long, villous, the floral axes to 15 cm long, ascending, often ferrugineous pilose, the flowers secund, ca. 25 on each axis, pedicels to 0.2 cm long. Flowers with the hypanthium 3-4 mm long, glabrous to spreading pilose; calycine lobes ovate, 1-2 mm long, glabrous to pilose; corolla yellow salverform, to 3.5 cm long, the tube 0.4-0.7 cm wide, glabrous to densely puberulent, the lobes ovate, 4-8 mm long, acute; anthers 10-16 mm long, acute, the connective extended for ca. 0.1 mm at the apex, acute, sagittate at the base, the filaments 8-15 mm long; ovary 5-loculate, the style ca. 20 mm long, the stigmas 5, to 5 mm long.
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