碱独行菜 jian du xing cai

Thlaspi cartilagineum J. Mayer, Abh. Böhm. Ges. Wiss. 235. 1786; Lepidium cartilagineum subsp. crassifolium (Waldstein & Kitaibel) Thellung; L. crassifolium Waldstein & Kitaibel; L. kabulicum K. H. Rechinger.

Herbs perennial, (10-)15-35(-40) cm tall, puberulent with papillate or curved trichomes; caudex with fibrous petiolar remains of previous years. Stems erect, branched. Basal leaves rosulate, fleshy, persistent; petiole 1.5-5(-7) cm; leaf blade ovate, oblong, or elliptic, (0.7-)1.7-4(-5) × (0.5-)0.8-1.5(-2.2) cm, usually glabrous, base cuneate or attenuate, margin entire, apex acute or obtuse. Cauline leaves sessile; leaf blade elliptic, oblong, or lanceolate, 0.2-4.7 cm × 1-9 mm, glabrous or with subappressed trichomes, base usually amplexicaul, margin entire, apex acute. Fruiting pedicels divaricate, straight or slightly curved, 3-6 mm, puberulent adaxially. Sepals oblong, 1-1.2 × ca. 0.5 mm, pilose with crisped trichomes, white at margin and apex, apex acute. Petals white, obovate or oblanceolate, 1-1.6 × 0.3-0.8 mm, apex rounded; claw obscurely differentiated. Stamens 6; filaments 0.8-1.1 mm; anthers oblong, 0.2-0.3 mm. Fruit ovate, 2.3-3.3 × 2.1-2.7 mm; valves glabrous, prominently reticulate veined; wing 0.1-0.2 mm; apical notch 0.05-0.2 mm; style 0.2-0.4 mm, exserted from apical notch. Seeds brown to reddish brown, ovate, 1.3-1.7 × 0.7-1 mm, papillate; cotyledons incumbent. Fl. Aug. 2n = 16.

Saline lowlands or steppe; 400-1000 m. Nei Mongol, Xinjiang [Afghanistan, Kazakhstan, Kyrgyzstan, Mongolia, Pakistan, Russia, Tajikistan, Turkmenistan, Uzbekistan; SW Asia, C and S Europe].