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

18. Gentiana tianschanica Ruprecht, Mém. Acad. Imp. Sci. Saint Pétersbourg, sér. 7. 14(4): 61. 1869.

天山秦艽 tian shan qin jiao

Gentiana glomerata Kusnezow; G. regelii Maximowicz ex Kusnezow; G. regelii Kusnezow var. glomerata Kusnezow; G. tianschanica var. glomerata Kusnezow; G. tianschanica var. intermedia Kusnezow; G. tianschanica var. pumila Kusnezow.

Perennials 15-25 cm tall. Roots to 1.5 cm in diam. Stems ascending, simple, glabrous. Basal leaves petiole 2-5 cm, membranous; leaf blade linear-elliptic to elliptic-lanceolate, 8-16 × 0.8-1.8 cm, base narrowed, margin smooth or scabrous, apex acuminate, veins 3-5. Stem leaves 3-5 pairs; petiole 0.5-2.5 cm, shortened toward apex; leaf blade linear to linear-lanceolate, 3.2-7 cm × 5-9 mm, base obtuse, margin smooth or scabrous, apex acuminate, veins 1-3.
Cymes axillary or terminal, forming a narrow panicle, axillary cymes sometimes on pedunclelike branches; peduncle purple, to 4 cm. Flowers sessile, rarely with pedicel to 1 cm. Calyx tube 7-9 mm, membranous, sometimes split on 1 side; lobes linear to linear-subulate, 7-10 mm, unequal. Corolla pale blue or yellow, funnelform, 2-3(-3.5) cm; lobes ovate-elliptic to ovate, 4-6 mm, margin entire, apex obtuse; plicae narrowly triangular, 2-2.5 mm, 2cleft. Stamens inserted at middle of corolla tube; filaments 0.9-1.2 cm; anthers narrowly ellipsoid, 2-3 mm. Style 2-2.5 mm; stigma lobes narrowly ellipsoid. Capsules narrowly ellipsoid, 1.2-1.5 cm; gynophore 7-10 mm. Seeds light brown, ellipsoid, 1.2-1.5 mm. Fl. and fr. Aug-Sep.

Along streams, grassland slopes, forests; 1200-3900 m. N Xinjiang, W Xizang [NW India, Kazakhstan, Kyrgyzstan, Nepal, Pakistan].


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