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FOC | Family List | FOC Vol. 16 | Gentianaceae | Gentiana

73. Gentiana purdomii C. Marquand, Bull. Misc. Inform. Kew. 1928: 55. 1928.

岷县龙胆 min xian long dan

Gentiana purdomii

Credit: Harvard University Herbaria

Perennials 4-25 cm tall. Rhizomes to 15 cm. Stems 1-3, erect, simple, glabrous. Basal leaves in 2-4 erect rosettes; petiole 2-3.5 cm, membranous; leaf blade usually folded, linear, linear-elliptic, or rarely narrowly oblong, 2-6 cm × 2-9 mm, base narrowed, apex acuminate to obtuse, vein 1. Stem leaves 2-4 pairs; petiole 6-10 mm; leaf blade narrowly elliptic to lanceolate, 1-3 cm × 3-6 mm, apex obtuse. Cymes axillary or terminal, forming racemelike cymes. Pedicel ca. 4 cm, unequal, slender. Calyx obconic, 1.4-1.7 cm, tube entire; lobes lanceolate to narrowly oblong, 2.5-8 mm, subequal, apex obtuse. Corolla pale yellow, with pale blue stripes and streaks, tubular-campanulate to funnelform, (3-)3.5-5 cm; lobes ovate, 3-3.5 mm, margin denticulate, apex acute; plicae obliquely truncate, margin denticulate. Stamens inserted at middle of corolla tube; filaments 0.9-1.1 cm; anthers narrowly ellipsoid, 3-3.5 mm. Style 3-4 mm; stigma lobes linear. Capsules ovoid-ellipsoid, 1.8-2.5 cm; gynophore to 2 cm. Seeds light brown, broadly ellipsoid to subglobose, 1.5-2 mm. Fl. and fr. Jul-Oct.

* Alpine meadows, rocky places in high mountains; 2700-5300 m. SW Gansu, Qinghai, NW Sichuan, NE Xizang.


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