Herbs perennial. Roots cylindric, with robust root crowns. Stems supine or ascending, branched, densely glandular villous. Leaves narrowly lanceolate or lanceolate, 3--5 cm × 6--8(--12) mm, both surfaces hirtellous, margin coarsely ciliate, midvein prominent, base attenuate, apex acuminate. Dichasial cymes large, many flowered. Pedicel nearly as long as to longer than calyx, densely glandular hairy; bracts lanceolate. Calyx tubular, 1.5--2 cm × ca. 3.5 mm, glandular hairy, umbilicate at base, longitudinal veins violet; calyx teeth triangular-ovate, ca. 2 mm, villous, margin membranous, ciliate, apex obtuse. Androgynophore ca. 3 mm, glabrous. Petals pale red, ca. 2.5 cm; claws slightly exserted beyond calyx, oblanceolate, glabrous, auricles not prominent; limbs obovate, 8--10 mm, shallowly bifid; lobes ovate, with 1 small dentate lobe on lateral side of limbs; coronal scales ovoid, sometimes laciniate. Stamens slightly exserted; filaments glabrous. Styles slightly exserted. Capsule ovoid-globose, 1--1.2 cm. Seeds reniform. Fl. Jul--Aug, fr. Aug--Oct.

The type could not be found by the present authors. The taxon described above is similar to Silene adenocalyx, but has much larger and broader petals and fits reasonably well with the type description of S. trachyphylla .

* Scrub; 3100--3900 m. Qinghai, Sichuan, Xizang, Yunnan.