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FOC | Family List | FOC Vol. 8 | Brassicaceae | Chorispora

7. Chorispora songarica Schrenk in Fischer & C. A. Meyer, Enum. Pl. Nov. 2: 57. 1842.

准噶尔离子芥 zhun ga er li zi jie

Chorispora sibirica (Linnaeus) de Candolle var. songarica (Schrenk) O. Fedtschenko; C. pamirica Pachomova.

Herbs perennial, (0.4-)0.7-1.8(-4) cm tall, with stout, branched or simple caudex, sparsely to moderately glandular, sparsely covered with simple trichomes to 1 mm. Basal leaves rosulate; petiole 1-2.5(-6.5) cm, glabrous or sparsely ciliate, expanded at base; leaf blade oblong or oblanceolate, 1-2.5 cm × 2-8 mm, glandular or glabrous, base cuneate or attenuate, margin pinnatisect, with oblong or ovate lobes, apex acute. Cauline leaves few. Flowers in racemes. Fruiting pedicels (0.6-)1-1.8(-2.5) cm, glabrous or glandular. Sepals yellowish, oblong, 5.5-7 × 1.5-2 mm. Petals yellow, broadly obovate, 1.2-1.5 cm × 5-7 mm, emarginate at apex; claw 6.5-9 mm. Filaments 6-7.5 mm; anthers oblong, ca. 2 mm. Fruit linear-cylindric, 1.5-2 cm × ca. 2 mm, corky, strongly torulose, with 5-8 constrictions on each side, glandular; style 3-5 mm. Seeds brown, oblong, ca. 1.2 × 0.7 mm. Fl. and fr. Jun-Jul.

Mountain slopes; 4300-4700 m. Xinjiang [Kazakhstan, Tajikistan, Uzbekistan].

Chorispora songarica was first recorded from China in Fl. Xinjiang. (2(2): 168. 1995). The occurrence in China is here confirmed based on Xinjiang Expedition 2268 (WUK) and Xinjiang Expedition 9740 (KUN), as well as on Robrowski s.n., 25 Mar 1889 (LE).


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