短管龙胆 duan guan long dan

Perennials 5-15 cm tall. Taproot cylindric, long, 5-8 mm in diam. Vegetative stems sometimes prolonged, few branched; branches short, to 1 cm in diam., with dense blackish membranous remnants of old petioles, each with an apical rosette; flowering stems annual, ascending to erect, simple. Basal leaves in 2-5 rosettes, crowded; petiole 1-3 cm, membranous; leaf blade spatulate to oblong-spatulate, 1-5 × 0.7-1.2 cm, base narrowed, apex rounded, veins 3. Stem leaves 2-4 pairs, widely spaced; petiole 2-5 mm; leaf blade ovate to suborbicular, 8-10 × 6-8 mm, base obtuse to rounded, apex rounded, veins 3. Flowers terminal, solitary, rarely in cymes. Pedicel 1-1.5 cm, slender. Calyx cupular, 4-5 mm; lobes lanceolate, elliptic, ovate, or orbicular, 1-2(-3) mm, unequal, base sometimes narrowed, apex rounded, vein 1. Corolla yellow, with pale blue streaks and spots, tubular-campanulate, 1.8-2 cm; lobes ovate-elliptic, 1.2-1.5 cm, margin entire, apex obtuse; plicae lanceolate, 1-1.5 mm, apex acute. Stamens inserted at middle of corolla tube; filaments 7-9 mm, equal; anthers 1.5-2 mm. Style absent; stigma lobes triangular. Capsules ellipsoid, 1.4-1.6 cm; gynophore to 4 mm. Seeds light brown, fusiform, 1.5-2 mm. Fl. and fr. Sep-Nov.

Meadow and rocky slopes, bamboo thickets; 3300-4200 m. SE Xizang, NW Yunnan [NE Myanmar].