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

53. Gentiana dolichocalyx T. N. Ho, Acta Phytotax. Sin. 23: 43. 1985.

长萼龙胆 chang e long dan

Perennials 10-15 cm tall. Stems ascending, simple, glabrous. Basal rosette leaves poorly developed; leaf blade lanceolate, 4-6(-20) × 2.5-3.5 mm, base connate for 2-4 mm, margin scabrous, apex acuminate, midvein distinct. Stem leaves widely spaced, larger toward apex; leaf blade base connate for 2-3 mm, margin smooth or scabrous, apex acuminate, midvein distinct. Lower stem leaves oblong, 4-6 × 1.5-2 mm; middle to upper leaves broadly linear, 2-4.5 cm × 2-3 mm. Flowers terminal, solitary. Pedicel 0.5-1.5 cm, glabrous, sometimes purple. Calyx narrowly obconic, 1.5-1.7 cm; lobes green, broadly linear, 2.3-3.5 cm, margin smooth or scabrous, apex obtuse, midvein distinct. Corolla pale blue, with pale yellow-white tube, outside with blue streaks, campanulate-tubular, inflated at middle of tube, 6-7 cm; lobes ovate, 6-7.5 mm, margin entire, apex obtuse; plicae ovate, 2-3 mm, margin entire or erose, apex obtuse. Stamens inserted just below middle of corolla tube; filaments 0.9-1.1 cm; anthers ellipsoid, 3.5-4 mm. Style 5-7 mm; stigma lobes linear. Capsules ellipsoid, 1.5-1.7 cm; gynophore to 2.6 cm, stout. Seeds light brown, ellipsoid, 1-1.2 mm. Fl. and fr. Aug-Sep.

* Alpine meadows, roadside slopes, scrub; 2900-3800 m. SE Qinghai, NW Sichuan


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