康定齿缘草 kang ding chi yuan cao

Herbs perennial, cespitose. Stems 8-11 cm tall, strigose, branched at apex, with 5-9 leaves. Basal leaves densely rosulate, linear, 5-6 cm × 3-4 mm, leathery when dry, densely grayish strigose, base tapering into indistinct petiole, apex subobtuse; leaf blade of stems similar, 0.8-1.6 cm × 1.5-2.2 mm. Cymes often branched, 2-3 cm, axis and pedicel strigose; bracts basal, lanceolate to narrowly elliptic, 3-9 mm. Pedicel 3-5 mm in fruit. Calyx lobes broadly linear, ca. 0.4 mm, strigose on both sides. Corolla blue, glabrous; tube ca. 1.3 mm, faucal appendages low trapeziform, ca. 0.4 mm; limb ca. 4 mm wide; lobes suborbicular. Anthers elliptic, ca. 0.4 mm. Nutlets 4, dorsiventrally compressed, adaxially sparsely puberulent; abaxially plane, ovate, ca. 1.5 × 1 mm, sparsely puberulent, apex with 5-8 minutely barbed, triangular-linear glochids, 0.5-1 mm; marginal glochids on each side; attachment scar at middle adaxially. Fl. and fr. Jul.

* In gravelly glacial valleys; 3600-4000 m. Sichuan.