Stems unbranched or short branched, 9-12 cm tall, spreading bristly. Leaf blade of lower stems ovate to narrowly ovate, 3-7 × 0.9-1.4 cm, base rounded, abruptly constricted into a petiole 3-3.2 cm, apex acute. Upper leaves gradually reduced upward; petiole short, bristly; leaf blade lanceolate, 1.5-4 mm, densely short strigose, base broadly cuneate to attenuate, apex acuminate. Inflorescences terminal or sometimes from upper axils, crowded, short; bracts lanceolate, 2-4 mm. Pedicel 0.5-2 mm. Calyx ca. 2 mm, parted nearly to base; lobes triangular-lanceolate, densely hirsute outside, and sparsely short strigose inside. Corolla tube ca. 1.8 mm, glabrous; appendages low trapeziform, ca. 0.5 mm, apex pubescent; limb ca. 2.5 mm wide, glabrous; lobes suborbicular. Anthers narrowly oblong, ca. 0.6 mm. Nutlets tuberculate.
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