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

162. Gentiana heleonastes Harry Smith, Bull. Misc. Inform. Kew. 1937: 132. 1937.

针叶龙胆 zhen ye long dan

Annuals 5-15 cm tall. Stems ascending to erect, branched from base, glabrous. Basal leaves withered at anthesis; petiole tube 1-2 mm; leaf blade obovate to ovate-orbicular, 4.5-7 × 2.5-5 mm, margin cartilaginous, apex rounded and mucronate, veins 1-3. Stem leaves folded; leaf blade shorter than internodes, longer toward apex, margin narrowly membranous and smooth, apex sometimes recurved, midvein abaxially prominent. Lower stem leaves spatulate, 4-6 × 1.5-2 mm, apex rounded; middle to upper leaves needlelike, apex acuminate and apiculate. Flowers few. Pedicel 1.3-2 cm, exserted from uppermost leaves, glabrous. Calyx narrowly obconic, 7-9 mm; lobes linear-triangular, 2-3 mm, margin narrowly membranous and smooth, veins slender and distinct, apex acuminate and apiculate. Corolla outside blue-gray, inside white or pale blue-gray, tubular, 1.4-1.6 cm; lobes ovate to broadly ovate, 2.5-3.5 mm, margin erose to serrate, apex obtuse; plicae oblong, 1.5-2 mm, margin irregularly denticulate, apex obtuse to truncate. Stamens inserted at basal part of corolla tube, equal or unequal; filaments 2.5-3.5 mm; anthers ellipsoid, 0.8-1 mm. Style 1.5-2 mm; stigma lobes narrowly oblong. Capsules narrowly obovoid to obovoid, 6-7 mm; gynophore 4-10 mm, stout. Seeds light brown, narrowly ellipsoid, 1.3-1.6 mm. Fl. and fr. Jun-Sep.

* River banks, moist meadows, scrub meadows, bog meadows; 3200-4200 m. Qinghai, Sichuan.


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