金沙鼠尾黄 jin sha shu wei huang

Herbs to 60 cm tall. Stems 4-angled, sulcate, bifariously pubescent along sulcae. Petiole 1-3 cm, pubescent; leaf blade ovate to oblong, 2.5-9 × 1.5-4.5 cm, slightly pubescent along veins, secondary veins 3-5 on each side of midvein and inconspicuous, base cuneate and decurrent onto petiole, margin entire and ciliate, apex acuminate. Spikes terminal, 3-5 cm; bracts homomorphic but sterile ones slightly larger than fertile ones, lanceolate-linear, 10-14 × 2-2.5 mm, abaxially pubescent, margin ciliate, apex acute; bracteoles oblong-lanceolate, ca. 6 × 2 mm, margin ciliate, apex acuminate. Calyx 5-lobed almost to base; lobes linear, ca. 5 × 2 mm, glabrous, apex acute. Corolla ca. 1.4 cm; tube cylindric; lower lip ca. 2 × 3 mm, 3-lobed, lobes ovate and apex rounded; upper lip 2-lobed. Stamens white, ca. 4 mm, glabrous. Ovary glabrous. Capsule 7-8 mm, glabrous. Seeds ovate in outline, ca. 1 mm in diam. Fl. Aug-Oct, fr. Oct-Dec.

● Streamsides; 500-600 m. Yunnan.