耳褶龙胆 er zhe long dan

Perennials 5-15 cm tall. Taproot cylindric, long, 5-8 mm in diam. Vegetative stems sometimes prolonged, few branched; branches prostrate, to 1 cm in diam., with dense blackish membranous remnants of old petioles, each with an apical rosette; flowering stems tinged purple, annual, simple, ascending to erect. Basal leaves in 3-6 or more rosettes, usually crowded; petiole 1-5 cm, membranous; leaf blade oblong-spatulate, oblong, narrowly elliptic, or spatulate-obovate, 5-12 × 1-2.5 cm, base narrowed, apex rounded, veins 3-5. Stem leaves 2-5 pairs, widely spaced; petiole 5-10 mm; leaf blade ovate-elliptic, 1-3 × 0.8-1.5 cm, both ends obtuse, veins 3. Cymes axillary or terminal, few to many flowered, occasionally flowers solitary. Pedicel 0.5-3 cm, slender. Calyx cupular, 4-6.5 mm; lobes lanceolate, oblong, or ovate, 1.5-5 mm, unequal, apex obtuse, vein 1. Corolla yellow, with pale blue streaks and spots, tubular to tubular-campanulate, (1.8-)2-2.5 cm; lobes ovate-elliptic, 1.3-1.5 cm, margin entire, apex obtuse; plicae triangular, 2-3 mm, apex acute. Stamens inserted at middle of corolla tube; filaments 7-9 mm, unequal; anthers 1.5-2 mm. Style absent; stigma lobes linear. Capsules subsessile, ellipsoid, 1.3-1.6 cm. Seeds light brown, fusiform, 1.8-2 mm.

Grassland on slopes or in valleys, Rhododendron scrub; 2800-4200 m. SE Xizang, NW Yunnan [NE Myanmar]