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

114. Gentiana pterocalyx Franchet in F. B. Forbes & Hems ley, J. Linn. Soc., Bot. 26: 132. 1890.

翼萼龙胆 yi e long dan

Annuals 15-35 cm tall. Stems erect, stout; branches few, short spreading, 4angled. Basal leaves usually withered at anthesis. Stem leaves very widely spaced; leaf blade broadly ovate to cordate, (0.7-)1.3-2.5 × 0.7-1.8 cm, shorter than internodes, base rounded, margin serrulate and ciliolate, apex acute; veins 3, prominent, abaxially pubescent. Flowers terminal, solitary, sessile. Calyx tube obconic, 1-1.2 cm, membranous, broadly winged, purple and white pubescent along wings; lobes lanceolate to ovate-lanceolate, 5-9 mm, apex acuminate, midvein outside keeled and decurrent into wings of calyx tube. Corolla blue to blue-purple, tubular, 3-4 cm; lobes ovate, 8-11 mm, margin entire, apex obtuse; plicae oblong, 1-2 mm, margin denticulate, apex rounded. Stamens inserted at basal part of corolla tube, unequal; filaments 1.5-1.7 cm; anthers ellipsoid, 2.5-3 mm. Style 0.8-1.2 cm; stigma lobes linear. Capsules ellipsoid, 2-2.5 cm; gynophore (0.5-) 1-1.5 cm. Seeds brown, ellipsoid to subglobose, 2.5-3 mm. Fl. and fr. Aug-Nov.

* Grassland slopes; 1700-3500 m. W Guizhou, SW Sichuan, N Yunnan.


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