Silene nangqenensis C. L. Tang

Herbs perennial, 15--30 cm tall, densely glandular hairy throughout. Roots spiniform or conical, slightly fleshy. Stems sparsely clustered or solitary, erect, simple. Basal leaves elliptic-oblanceolate, rarely saccate, 4--8 × 1--1.5 cm, midvein prominent, base cuneate or attenuate, apex acute, rarely rounded; cauline leaves often 1--3 pairs, smaller than basal leaves. Flowers few, slightly nutant, erect in late anthesis. Pedicel 1--5 cm, densely glandular hairy; bracts lanceolate, 5--10 mm, glandular hairy. Calyx broadly campanulate, slightly saccate, ca. 1.5 × 1 cm, rounded at base, open at apex; longitudinal veins slightly robust, dark violet, glandular hairy; calyx teeth broadly triangular-ovate, ca. 3 mm, margin membranous, white, shortly ciliate, apex acute. Androgynophore ca. 2 mm, glabrous. Petals slightly exserted beyond calyx; claws nearly cuneate, ciliate at base, auricles obtuse; limbs broadly obovate, deeply bifid; lobes narrowly elliptic, apex obtuse, emarginate or shallowly bifid, shortly 1-lobed or weakly toothed on two sides; coronal scales flabellate, laciniate. Stamens slightly exserted; filaments hairy. Styles included. Capsule ovoid, ca. 1.2 cm, 10-toothed. Seeds brown, globose-reniform, ca. 1 mm. Fl. Jul, fr. Aug.

S Qinghai, E Xizang.

* Alpine meadows; 4200--4600 m.

Melandrium glandulosum (Maximowicz) F. N. Williams var. hexapetalum Y. W. Tsui & L. H. Zhou; ?M. glandulosum var. longistylum Y. W. Tsui & L. H. Zhou.