大花芒毛苣苔 da hua mang mao ju tai

Stems 30-60(-100) cm, glabrous. Leaves opposite; petiole 3-11 mm; leaf blade narrowly elliptic to broadly ovate or obovate, 5.5-14 X 1.4-4.6 cm, leathery, glabrous, adaxially drying wrinkled, abaxially not punctate, base attenuate to rounded, margin entire, apex acuminate to narrowly acuminate; lateral veins indistinct. Cymes pseudoterminal, 2-11-flowered; peduncle absent; bracts persistent, green, triangular, 2-10 X 0.5-1.5 mm. Pedicel 7-12 mm, glabrous. Calyx green, 1.2-1.5 cm, shallowly 5-lobed; tube 4-6 mm in diam. at mouth; lobes narrowly triangular, 3-5 X 1.2-2 mm, outside glabrous. Corolla orange-red, 4-5.5 cm, outside glabrous to puberulent in apical half, inside puberulent below middle, without tufts of hairs, mouth slightly oblique; limb indistinctly 2-lipped, lips nearly equal, 5-6 mm. Stamens exserted; filaments 2.6-3.5 cm; anthers coherent in pairs at apex, 3-4 mm; staminode ca. 6 mm. Pistil ca. 5.2 cm; ovary glabrous. Style ca. 1 cm, puberulent apically. Capsule 16-34 cm. Seeds with 2 hairlike appendages at hilar end, appendages 1-1.5 cm, opposite end with 1 hairlike appendage 1-1.5 mm. Fl. Jun-Sep, fr. Oct-Nov.

On trees in forests; 1000-2500 m. SE Xizang, S and W Yunnan [NE India].