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Capsella Medic.


Description from Flora of China

Bursa-pastoris Séguier, nom. rej.

Herbs annual or biennial. Trichomes sessile and stellate, sometimes mixed with simple or forked ones. Stems erect or ascending. Basal leaves rosulate, simple, usually pinnately lobed, lyrate, or runcinate, rarely entire or toothed. Cauline leaves sessile, auriculate or amplexicaul, entire, dentate, or sinuate. Racemes many flowered, ebracteate. Fruiting pedicels slender, ascending or divaricate. Sepals ovate or oblong, erect or ascending, glabrous or pubescent, base of lateral pair not saccate. Petals white, pink, red, or rarely yellowish, much longer or shorter than sepals, sometimes lacking; blade obovate or spatulate, apex obtuse; claw distinct from blade. Stamens 6, erect, tetradynamous; filaments not dilated at base; anthers ovate or oblong, obtuse at apex. Median glands absent; lateral glands 1 on each side of lateral stamen. Ovules (12-)20-40 per ovary. Fruit dehiscent silicles, obdeltoid to obdeltoid-obcordate, strongly flattened and angustiseptate, sessile; valves papery, prominently veined, strongly keeled; replum rounded; septum complete; style less than 1 mm, included or exserted from apical notch; stigma capitate, entire. Seeds uniseriate, wingless, oblong, plump; seed coat reticulate, mucilaginous when wetted; cotyledons incumbent.

One species: SW Asia, Europe, naturalized elsewhere as a cosmopolitan weed.


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