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

245. Gentiana piasezkii Maximowicz, Bull. Acad. Imp. Sci. Saint-Pétersbourg. 26: 498. 1880.

陕南龙胆 shan nan long dan

Gentiana pubicaulis Harry Smith.

Annuals 7-10 cm tall. Stems purple, ascending to erect, branched from base, densely papillate. Basal leaves with petiole 2-3 mm; leaf blade involucriform, narrowly elliptic, ovate-elliptic, or ovate, 1.7-2 cm × 4-6 mm, margin densely ciliolate, apex acute to obtuse, veins 1-3. Stem leaves widely spaced; petiole 1-1.5 mm, entirely connate; leaf blade lanceolate, narrowly elliptic, or rarely ovate, 5-9 × 2-3 mm, base obtuse, margin densely ciliolate, apex obtuse, veins 1-3. Flowers few to many. Pedicel purple, 4-8 mm, surrounded by upper leaves, densely purple papillate. Calyx narrowly obconic, 1-1.2 cm; lobes triangular, 2.5-3 mm, apex acute, midvein strongly keeled and decurrent basally into conspicuous wings of calyx tube. Corolla blue-purple to purple, with pale yellow-green base, and with blackish short lines in throat, salverform, 1.7-2.2 cm; lobes ovate, 4-5 mm, margin entire, apex obtuse; plicae ovate, 2-3 mm, margin entire or 2cleft. Stamens inserted at middle of corolla tube, equal; filaments 4-5 mm; anthers narrowly ellipsoid, 1.5-2 mm. Style 2-4 mm; stigma lobes linear. Capsules narrowly obovoid, 6-8 mm, apex long attenuate; gynophore to 2.5 cm. Seeds light brown, ellipsoid, 1-1.2 mm. Fl. and fr. Apr-Sep.

* River banks, roadsides, valleys, meadow slopes, forests; 1000-4300 m. SE Gansu, N Sichuan.


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