竹林黄芩 zhu lin huang qin

Herbs perennial. Stems erect, ca. 50 cm tall, sparsely puberulent, much branched. Petiole 1.5-2.5 cm; leaf blade ovate to ovate-lanceolate, 2-5 × 1.5-3 cm, membranous, sparsely strigose, base broadly cuneate to truncate, margin shallowly 5-7-crenate, apex acute. Bracts similar to stem leaves, minute. Flowers solitary in upper leaf axils; pedicel ca. 3 mm, puberulent, to 5 mm after anthesis. Calyx ca. 3.5 mm, sparsely glandular puberulent outside; scutellum ca. 1 mm. Corolla ca. 9 mm, densely puberulent outside, glabrous inside; tube straight, base slightly saccate; upper lip ca. 1 mm; middle lobe of lower lip ovate, ca. 2.5 mm wide, apex emarginate; lateral lobes narrowly ovate, ca. 1.25 mm wide. Nutlets unknown. Fl. Dec.

* Bamboo forests; ca. 2000 m. Yunnan (Jinping Xian).