卡西亚蝇子草 ka xi ya ying zi cao

Herbs perennial, glandular villous throughout. Stems sparsely caespitose, ascending, 50--80 cm, branched. Leaves ovate-lanceolate, 2.5--5 × 1--2.5 cm, conspicuously 3- or 5-veined, both surfaces glabrous or sparsely hairy, margin ciliate, base rounded, apex acuminate. Cymes few flowered, lax (smaller lateral inflorescences often 1-flowered). Pedicel 1--3 cm; bracts lanceolate, herbaceous. First branch in dichasium sometimes very long (to 15 cm). Calyx campanulate, 8--10 mm, glandular hairy; longitudinal veins dark green, cohering at apex; calyx teeth lanceolate, apex acute. Androgynophore ca. 2 mm, glabrous. Petals pale red, claws narrow, subequaling calyx, glabrous, limbs deeply bifid, lobes obtuse; coronal scales small. Filaments glabrous. Capsule ovoid, ca. 8 mm. Seeds reniform.

Xizang [India, ?Nepal].