条叶齿缘草 tiao ye chi yuan cao

Herbs perennial, 15-25 cm tall. Stems cespitose, erect, not branched, 1-1.5 mm in diam., densely appressed pubescent, frequently woody below, with persistent withered branches and leaves at base. Basal leaves petiolate, linear, ca. 2 cm × 2-4 mm, densely appressed pubescent; stem leaves sessile, linear, 2-4 cm. Inflorescences 2 or 3, forked or not, terminal, elongated, many flowered, becoming racemose in fruit. Pedicel 3-5 mm, sparsely pubescent, erect at anthesis, ascending or slightly curved. Flowers crowded. Calyx lobes erect or spreading, lanceolate-linear, 1.5-2 mm, densely appressed white pubescent outside, glabrous, or sparsely appressed pubescent. Corolla light blue, campanulate-rotate; tube 1.5-2 mm; appendages low trapeziform, papillose; lobes subobovate, ca. 2 × 1.5 mm. Nutlets turbinate, ca. 1 mm; disc flat or slightly convex, glabrous or finely tuberculate on lateral surfaces; marginal bristles curved toward center, lanceolate-triangular, free or nearly so at base, barbed; attachment scar at base adaxially. Fl. and fr. Jun-Jul.

* Gravelly areas; ca. 4600 m. Xizang (Zanda Xian).