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Chinese Plant Names | Family List | Gentianaceae | Tripterospermum

Tripterospermum nienkui (Marq.) C. J. Wu


Description from Flora of China

Gentiana nienkui C. Marquand, Bull. Misc. Inform. Kew 1931: 76. 1931.

Stems sometimes dark purple, spirally twisted, twining, terete, striate. Basal leaves cespitose; leaf blade ovate, 3-6 × 1.5-3 cm, abaxially sometimes purple, base rounded, apex acuminate. Stem leaves with petiole 1-1.5 cm, slender; leaf blade ovate-lanceolate to ovate, 5-9 × 2-4 cm, base rounded to subcordate, margin crenulate, apex acuminate and sometimes caudate, veins 3-5. Inflorescences 1flowered or cymes; bracts 1-4 pairs, lanceolate to ovate, 3-10 mm. Pedicel less than 1 cm. Calyx campanulate; tube 0.8-1.2 cm, winged; lobes linear-lanceolate, 7-10 mm, apex acuminate. Corolla dark violet-blue, sometimes with green spots, narrowly campanulate, 4-5 cm; lobes ovate-triangular, 4-5(-7) mm, apex acute; plicae ovate, 2-3 mm, margin crenulate to erose. Filaments linear, 1.5-2 cm; anthers ellipsoid, 1.2-2 mm. Disc ca. 2 mm. Style linear, 1.6-2 cm. Berries dark purple, ellipsoid, 2.5-4 cm × 6-8 mm, included in corolla; gynophore 1-3 mm. Seeds dark purple, ellipsoid to ovoid, triquetrous, 1.5-2 mm, wingless. Fl. and fr. Sep-Jan.

Forests; 500-1800 m. S Fujian, Guangdong, N Guangxi, S Hunan, S Zhejiang [Vietnam].


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