沧江蝇子草 cang jiang ying zi cao

Silene cardiopetala Franchet var. deqenensis C. Y. Wu; S. zangdongensis L. H. Zhou.

Herbs perennial. Roots clustered, cylindric. Stems supine, 15--50 cm, slender, multibranched, retrorsely pubescent. Leaves narrowly elliptic or oblanceolate-elliptic, 5--15(--30) × 4--7 mm, thin, both surfaces pubescent, ciliate, midvein prominent, base attenuate into short petiole, sometimes with short, sterile axillary branches. Dichasial cymes several flowered; ca. 1.5 cm in diam. Pedicel 7--17 mm, with glandular and eglandular hairs; bracts lanceolate, herbaceous. Calyx narrowly cylindric, ca. 15 × 2 mm, glandular hairy, clavate in fruit, longitudinal veins violet; calyx teeth lanceolate, apex acute. Androgynophore ca. 5 mm, glabrous. Petals ca. 1.5 cm; claws subequaling calyx, glabrous, narrowly cuneate; limbs pale red, obovate, ca. 6 mm, shallowly bifid, sometimes with 1 obscure thin tooth on lower part of lateral lobes; coronal scales ovoid or suborbicular, margin entire. Stamens slightly exserted; filaments glabrous. Styles exserted. Capsule ovoid-globose, 8--10 mm, shorter than calyx. Seeds dark brown, reniform, with lateral auricular pits. Fl. Jul--Aug, fr. Aug--Sep.

* Forest margins; 1900--3400 m. Sichuan, SE Xizang, Yunnan.

This species is very similar to Silene rosiflora, but has a markedly longer calyx and androgynophore.