| Description: | Aerial leaves with long petiole (1.5-30 cm); leaf blade broadly lanceolate or elliptic to ovate, 2-11 × 1.3-7 cm, 5 veined. Panicles 15-50 cm, in 3-8 whorls of 3-9 branches. Pedicel 1-3.5 cm. Sepals broadly ovate, 2.5-3.5 × 2-3 mm. Petals white or purplish white, suborbicular, larger than sepals, margin denticulate. Anthers elliptic, ca. 1 mm. Carpels regularly arranged; styles erect, filiform, longer than ovary, 0.7-1.5 mm, stigmatose in upper 1/9-1/5 of their length. Achenes elliptic or suboblong, ca. 2.5 × 1.5 mm, 1- or 2-grooved abaxially; lateral pericarp thickish, opaque. |
