Herbs, ascending, perennial, or subshrubs; stems subglabrous to densely pilose. Petiole 0.6-1.5 cm, densely pubescent; leaf blade drying papery, adaxially grayish green, abaxially yellowish brown, lanceolate, ovate, subelliptic, or subelliptic-oblong, 2.5-6.5(-9) × 1-2(-3) cm, adaxially strigose-hirsute, below villosulous along principal veins, base obtuse to sometimes subrounded, apex acuminate and usually subfalcate; secondary veins 6-8(-10) pairs; stipules subulate-linear, 2-3 mm, acuminate. Inflorescence cymose, many flowered, densely pubescent; peduncle 1-2.5 cm; bracteoles linear-lanceolate, 2-2.5 mm; pedicels 1-2.5 mm. Flowers distylous, pedicellate. Calyx pilosulous; hypanthium portion subobconic, 0.7-0.8 mm; limb deeply lobed; lobes narrowly lanceolate, rigid, 3-5 mm, equal or slightly unequal. Corolla white becoming golden yellow when dry, subtubular, outside with 5 hispidulous or hirsutulous lines; tube 13.5-15.5 mm, inside with villous ring near middle and pubescent above and through throat; lobes triangular-ovate, ca. 1.5 mm, apically thickened-rostrate, dorsally narrowly winged. Capsules subglobose, 3.5-4 mm in diam., pilosulous, valves 4. Fl. Sep.
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