Sagina karakorensis (Em. Schmid) Kozhevnikov.

Herbs annual. Stems branched at base, ca. 3 cm, glandular hairy. Petiole narrow; leaf blade linear-lanceolate, 1-veined, margin ciliate, apex obtuse. Cymes few flowered; flowers nutant. Pedicel glandular hairy. Sepals 5, narrowly ovate, ca. 1.8 mm, 1-veined, margin white membranous, glandular ciliate. Petals 5, white, narrowly ovate, 2--2.5 mm, apex erose. Floral disc with 5 glands. Stamens 10; filaments ca. 2 mm. Ovary ovoid. Styles 2, sparsely villous. Capsule nutant, 3--3.5 mm, 4-lobed. Seeds gray, flat, ca. 1.5 × 1 mm.

* Mountains; 5000--5100 m. Xizang.