卷果涩芥 juan guo se jie

Dontostemon scorpioides Bunge, Arbeiten Naturf. Vereins Riga 1: 150. 1847; Fedtschenkoa multisiliqua (Vassilczenko) Dvorák; F. scorpioides (Bunge) Dvorák; Malcolmia contortuplicata (Stephan) Boissier var. curvata Freyn & Sintenis; M. humilis Z. X. An; M. multisiliqua Vassilczenko; M. scorpioides var. curvata (Freyn & Sintenis) Vassilczenko; Strigosella scorpioides (Bunge) Botschantzev.

Herbs annual, (3-)10-30(-45) cm tall, sparsely pubescent with small, short-stalked, forked or 3-rayed trichomes sometimes mixed with fewer simple ones, rarely glabrescent. Basal leaves soon withered, not rosulate. Middle and lower cauline leaves with petioles 4-14(-22) mm; leaf blade elliptic, oblong, or lanceolate, 1-3(-4) cm × 2-10(-16) mm, base cuneate, margin entire or rarely dentate, apex acute; uppermost leaves smaller and subsessile. Racemes few flowered, elongated considerably in fruit; rachis straight. Fruiting pedicels thickened as wide as fruit, 0.5-2 mm. Sepals 2.5-4 × 0.6-1 mm, caducous. Petals pink or rarely white, oblanceolate, (5-)6-8 × ca. 1 mm. Filaments 3.5-4.5 mm; anthers narrowly oblong, ca. 0.8 mm. Fruit linear, strongly coiled to 5 turns, compressed, torulose, (3-)4-6(-7) cm × (0.9-)1-1.2 mm; valves not veined, glabrous or rarely sparsely pubescent with forked and simple trichomes; style obsolete; stigma conical, to 1 mm. Seeds oblong, 0.9-1.2 × 0.4-0.5 mm. Fl. and fr. Apr-Jun.

Sandy deserts, steppe, rocky areas; 400-1400 m. Gansu, Xinjiang [Afghanistan, Kazakhstan, Kyrgyzstan, Pakistan, Tajikistan, Turkmenistan, Uzbekistan; SW Asia].