Trigonotis rockii I. M. Johnst.

Herbs perennial, densely cespitose. Stems erect, base frequently ascending, 7-15 cm tall, sparsely strigose. Petiole of basal leaves 1-3 cm; leaf blade green, elliptic to ovate, ca. 2.5 × 1 cm, sparsely strigose, base rounded, apex obtuse, mucronate; stem leaves smaller, short petiolate to subsessile. Inflorescences racemose; bracts basal, leaflike. Pedicel 2-7 mm, usually spreading, strigose. Calyx lobes narrowly oblong to oblanceolate-oblong, ca. 2 mm, densely long strigose, apex obtuse. Corolla light blue-purple; tube ca. 2 mm; throat appendages trapeziform, ca. 0.8 mm, pubescent; limb 7-8 mm wide; lobes rotate spreading, suborbicular. Stamens inserted above middle of corolla tube; anthers elliptic. Style slightly longer than corolla tube. Nutlets subulate, irregularly trigonous-tetrahedral, ca. 2 × 2 mm, glabrous, obscurely tuberculate.

S Xizang, NW Yunnan.

* Alpine valleys, hillside meadows, thickets; 3300-4900 m.

Trigonotis rockii là loài thực vật có hoa trong họ Mồ hôi. Loài này được I.M. Johnst. miêu tả khoa học đầu tiên năm 1925.

高山附地菜（学名：Trigonotis rockii）是紫草科附地菜属的植物。分布于缅甸北部以及中国大陆的云南、西藏等地，生长于海拔3,300米至4,900米的地区，一般生于沟边砂质地、低海拔地区则生沟边草地、冰川谷地、高山冰碛丘或灌丛下，目前尚未由人工引种栽培。