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

146. Gentiana burmensis C. Marquand, Bull. Misc. Inform. Kew. 1928: 49. 1928.

缅甸龙胆 mian dian long dan

Perennials 4-7 cm tall, with long slender stolons. Stems ascending to erect, simple or few branched, glabrous. Petiole 1.5-2 mm; leaf blade ovate-elliptic, ovate, or ovate-orbicular, 4-6 × 2.5-3.5 mm, abaxially glabrous, adaxially densely and minutely papillate, base rounded to cordate, margin narrowly membranous, apex obtuse; veins 1-3, distinct, slender. Basal leaves withered at anthesis. Stem leaves spreading, usually shorter than internodes. Flowers 1 to few. Pedicel 4-6 mm, glabrous. Calyx tubular, 3.5-4.5 mm; lobes narrowly triangular, 1-1.5 mm, base 0.5-1 mm wide, margin narrowly membranous, apex acute, midvein prominent. Corolla purple, narrowly obconic to obconic, 1.2-1.5 cm; lobes ovate-lanceolate to ovate, 2.5-3.5 mm, margin entire, apex obtuse; plicae 2.5-3.5 mm, deeply 2cleft, margin of both segments filiform fringed. Stamens inserted at middle of corolla tube, equal; filaments 3.5-4 mm; anthers ellipsoid, 0.7-0.9 mm. Ovary ellipsoid, ca. 3 mm; gynophore ca. 3.5 mm, stout. Style 3-4 mm; stigma lobes linear. Fl. Aug.

Sandy places, sunny gravel slopes, forests; 3900-4200 m. SE Xizang, NW Yunnan [N Myanmar].


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