Caudex simple or few branched, long, 0.7-2 cm in diam. Caudex leaves scalelike, lanceolate, ovate-triangular, or triangular. Flowering stems solitary or few, erect, 20-100 cm, glabrous. Stem leaves 3-verticillate, rarely opposite, sessile, abaxially pale green, ovate-lanceolate, elliptic, oblong, ovate-oblong, broadly ovate, or orbicular, (1-)4-7(-10) × (0.6-)2-4(-8) cm, base rounded-cuneate, margin remotely serrate, sublobate, or rarely entire, apex obtuse to acute. Inflorescences cymose-paniculate, (3-)5-15 × 2-8 cm; branches verticillate. Flowers numerous, unisexual, unequally 4-or 5-merous in male plants, small. Sepals linear-lanceolate to lanceolate, 0.5-1 mm. Petals of male flowers greenish yellow to yellow, spatulate to oblong-lanceolate, ca. 1.5 mm; those of female flowers purple, linear, ca. 1.2 mm. Stamens 8, shorter than petals. Nectar scales spatulate-quadrate or cuneate-quadrate in male flowers, suborbicular in female ones. Carpels divergent, ovoid, 1.5-3 mm. Follicles stellate, 3-3.2 mm, base connate for ca. 1 mm. Seeds lanceolate, ca. 2 × 0.4 mm, winged. Fl. May-Jul, fr. Jun-Aug.
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