Roots short, fibrous. Stems 1 to several, simple, erect, 15-60 cm; leaf axils with whitish, fleshy, viviparous buds. Leaves 3-or 4-verticillate, subsessile, usually shorter than internodes; leaf blade ovate-lanceolate to ovate-oblong, 2-4 × 0.7-1.2 cm, base attenuate, margin sparsely and shallowly dentate, apex acuminate, tip obtuse. Cyme dense, flat topped, apex hemispheric; bracts resembling stem leaves but smaller. Sepals ovate, ca. 1 m. Petals yellowish white to yellowish green, ovate to oblong, ca. 3 × 1.5 mm, apex acute. Antesepalous stamens subequaling or slightly longer than petals; epipetalous ones slightly shorter than petals; anthers yellow, globose. Nectar scales linear-cuneate. Carpels broadly ovoid, ca. 2 mm, base tapering into a short stipe. Styles linear. Seeds ovoid, small. Fl. Aug-Sep.
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