红齿蝇子草 hong chi ying zi cao

Herbs perennial. Roots clustered, cylindric, dark brown. Stems sparsely caespitose, ascending, 25--50 cm, branched, basally sparsely villous, apically sparsely hairy. Proximal cauline leaves greenish, ovate-elliptic or obovate-elliptic, 5--10 (--12) × 2--3 cm, glabrous or sparsely villous at veins, margin shortly pubescent, 3-veined, base attenuate into petiole, apex acute at apex; distal leaves sessile, often ovate, small. Dichasia diffuse, few flowered; flowers erect. Pedicel and rachis villous, sparsely glandular hairy; bracts ovate-lanceolate, villous. Calyx ovoid-campanulate, 6--8 mm, base rounded; longitudinal veins green or violet, sparsely hirtellous and glandular hairy, inflated after anthesis; calyx teeth violet, ovate, apex acute. Androgynophore ca. 1 mm, glabrous. Petals dark violet, 1--1.2 cm; claws included in calyx, subsaccate, glabrous, flabellately inflated above, laciniate; limbs obovate, deeply bifid to middle, lobes ovate or nearly band-shaped; coronal scales orbicular-linear, small. Stamens included or slightly exserted; filaments glabrous. Styles exserted. Capsule broadly ovoid, 7--10 mm, shorter than calyx. Seeds dark brown, reniform, ca. 1 mm, thickened. Fl. Jun--Jul, fr. Jul--Aug.

* Scrub, stream edges; 1600--2600 m. E and S Sichuan, NW Yunnan.