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

21. Gentiana macrophylla Pallas, Fl. Ross. 1(2): 108. 1789.

秦艽 qin jiao

Perennials 30-60 cm tall. Roots to 30 × 2 cm. Stems ascending to erect, stout, simple, glabrous. Basal leaves petiole 3-5 cm, membranous; leaf blade elliptic-lanceolate to elliptic-ovate, 6-28 × 2.5-6 cm, base narrowed, margin scabrous, apex acuminate, veins 5-7. Stem leaves 3-5 pairs; petiole to 4 cm, membranous; leaf blade elliptic-lanceolate to narrowly elliptic, 4.5-15 × 1.2-3.5 cm, base obtuse, margin scabrous, apex acuminate, veins 3-5. Inflorescences crowded into terminal clusters, many flowered, sometimes also in few-flowered axillary whorls; axillary whorls sessile, rarely on pedunclelike branches. Flowers sessile. Calyx tube spathelike, membranous, split on 1 side; lobes 4 or 5, dentiform, 0.5-1 mm. Corolla blue-purple, with pale yellow base, tubular or urceolate; lobes ovate, 3-4.5 mm, margin entire, apex obtuse to subrounded; plicae triangular, 1-1.5 mm, margin entire, apex acute. Stamens inserted just below middle of corolla tube; filaments 5-7 mm; anthers narrowly ellipsoid, 2-2.5 mm. Style 1.5-2 mm; stigma lobes oblong. Capsules ovoid-ellipsoid, 1.5-1.7 cm; gynophore short. Seeds light brown, ellipsoid, 1.2-1.5 mm. Fl. and fr. Jul-Oct.

400-3700 m. Hebei, Nei Mongol, Ningxia, Shaanxi, Shandong, Shanxi [Kazakhstan, N Mongolia, Russia (Siberia)]

1 Calyx ca. 1/3 as long as corolla; corolla urceolate   21a var. macrophylla
+ Calyx ca. 1/2 as long as corolla; corolla tubular   21b var. fetissowii

Lower Taxa


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