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

52. Swertia zayueensis T. N. Ho & S. W. Liu, Acta Phytotax. Sin. 18: 84. 1980.

察隅獐牙菜 cha yu zhang ya cai

Annuals 15-25 cm tall. Roots yellow, slender. Stems erect, 2-4 mm in diam., striate, branched. Basal leaves petioles flattened, 3.5-4.5 cm; leaf blade spatulate, 1.5-2 × to 1.3 cm, base narrowed, apex obtuse, veins 1-3. Stem leaves sessile, elliptic to ovate-elliptic, ca. 3 × 1.5 cm, base obtuse to cuneate, apex obtuse to rounded, veins 1-3. Inflorescences panicles of cymes, many flowered, spreading branched. Flowers 5-merous. Pedicel erect, to 6 mm, slender. Calyx tube ca. 0.5 mm; lobes elliptic to elliptic-spatulate, 2.5-4 mm, base narrowed, apex acute, veins indistinct. Corolla pale yellow-green, tinged pale purple, 3-5 mm in diam., tube ca. 0.5 mm; lobes ovate, 4-6 mm, apex acute and apiculate. Nectaries 2 per corolla lobe, cupular, with a narrow scale and many long fimbriae. Filaments ca. 3 mm; anthers blue, ovoid, ca. 1 mm. Ovary ovoid-ellipsoid, ca. 5 mm, with many ovules. Style indistinct; stigma lobes capitate. Fl. Jul.

* Shady slopes; ca. 2400 m. Xizang (Zayü Xian).


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