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

1. Cardaria draba (Linnaeus) Desvaux, J. Bot. Agric. 3: 163. 1815.

群心菜 qun xin cai

Herbs perennial, (8-)20-65(-90) cm tall, pubescent with mostly curved simple trichomes, sometimes glabrous or subglabrous at least above. Stems erect or decumbent basally, many branched above. Basal leaves withered by anthesis, petiolate; leaf blade obovate, spatulate, or ovate, (1.5-)3-10(-15) × 1-4 cm, margin sinuate-dentate, apex obtuse. Cauline leaves sessile; leaf blade ovate, elliptic, oblong, or lanceolate, oblanceolate, or obovate, (1-)3-9(-15) × (0.5-)1-2(-5) cm, pubescent or glabrous, base sagittate-amplexicaul or auriculate, margin dentate or entire, apex acute or acuminate. Fruiting pedicels 5-10(-15) mm, divaricate or ascending, slender. Sepals oblong, 1.5-2.5 mm, glabrous, margin white. Petals white, obovate, (2.5-)3-4(-4.5) × (1-)1.3-2(-2.2) mm, shortly clawed, apex rounded. Filaments 2-3 mm; anthers ovate, 0.4-0.5 mm. Fruit cordate, ovoid, or subglobose, (2.5-)3.5-6(-7) mm, base cordate, rounded, obtuse, or truncate, apex obtuse or acute; valves flattened or somewhat inflated, carinate, reticulate or not, glabrous or sparsely minutely pubescent when young; style (0.7-)1-1.8(-2) mm. Seeds dark brown, ovoid, 1.5-2 × 1-1.2 mm. Fl. May-Jun, fr. Jul-Aug.

Mountain slopes, roadsides, fields, agricultural lands, river banks, pastures, waste areas; near sea level to 4200 m. Gansu, Liaoning, Shandong, Xinjiang, Xizang [Afghanistan, Kashmir, Kazakhstan, Kyrgyzstan, Pakistan, Russia, Tajikistan, Turkmenistan, Uzbekistan; SW Asia, Europe; naturalized in S Africa, Australia, and North and South America].

1 Fruit base cordate, valves prominently reticulate, glabrous   1a subsp. draba
+ Fruit base rounded, obtuse, or truncate, valves not reticulate or obscurely reticulate, glabrous or sparsely puberulent when young   1b subsp. chalepensis


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