岩隙玄参 yan xi xuan shen

Herbs, to 10 cm tall. Roots to 15 cm. Stems soft and bent. Basal leaves scalelike. Upper leaves petiole 0.5-1.5 cm, often winged; leaf blade subrhomboid-ovate, 1.3-2.7 X 1-2.2 cm, abaxially hairy, adaxially densely strigose, base broadly cuneate, margin serrate or coarsely serrate, rarely subentire and hairy, veins hairy. Peduncle to 5 mm. Thyrses terminal, cymose, short. Pedicel ca. 7 mm, glandular pilose. Calyx 5-7 mm, somewhat oblique, glandular hairy; lobes unequal, apex often acute. Corolla greenish yellow, 1.5-2.2 cm, glabrous; lower lip lobes ca. 3 mm, middle lobe smallest; upper lobes ca. 5 mm longer than lower lobes, orbicular, with overlapping margins. Stamens shorter than upper lip; staminode linear, clavate, or obovoid. Ovary ca. 2 mm. Style 4-5 X as long as ovary. Capsule 1-1.1 cm, including beak. Fl. Jun-Jul, fr. Jul.

* Stony grassland, among rocks; 3500-4600 m. SW Sichuan, Xizang (Nyingchi Xian), NW Yunnan.

Lower Taxa

• Scrophularia chasmophila subsp. chasmophila
• Scrophularia chasmophila subsp. xizangensis D. Y. Hong