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

47. Gentiana obconica T. N. Ho, Acta Phytotax. Sin. 23: 45. 1985.

倒锥花龙胆 dao zhui hua long dan

Perennials 4-7 cm tall, sometimes appearing stoloniferous. Stems ascending, simple, with several shoots not flowering, glabrous. Basal rosette leaves poorly developed; leaf blade lanceolate to triangular, 1-2 cm × 2-4 mm, base connate for 3-5 mm, margin smooth or scabrous, apex acuminate, midvein distinct. Stem leaves larger toward apex, uppermost surrounding calyx; leaf blade base obtuse and connate for 2-3 mm, margin smooth or scabrous, apex acute, midvein distinct. Lower to middle stem leaves ovate, 2-5 × 2-4 mm; upper leaves elliptic to ovate-elliptic, 5-11 × 2-3 mm. Flowers terminal, solitary, sessile, 5merous. Calyx tube tubular, 6-10 mm; lobes green, elliptic to ovate-elliptic, 5-8 mm, base slightly narrowed, margin smooth or scabrous, apex obtuse, midvein distinct. Corolla dark blue, sometimes with pale yellow-white base, with black stripes, sometimes with black spots, obconic, 3-4 cm, 2-3 mm wide inside calyx tube, throat 1.8-2.2 cm in diam.; lobes ovate, 2.5-3 mm, margin entire, apex obtuse and mucronate; plicae broadly triangular to subtruncate, 1-1.5 mm, margin erose, apex obtuse. Stamens inserted just below middle of corolla tube; filaments 1.3-1.5 cm; anthers ellipsoid, 1-1.5 mm. Ovary narrowly ellipsoid, 1-1.2 cm; gynophore 1.4-1.6 cm. Style 4-5 mm; stigma lobes oblong. Fl. Aug-Sep.

Alpine meadows and scrub; 4000-5500 m. S and SE Xizang [Bhutan, E Nepal, Sikkim].


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