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

10. Sisymbrium officinale (Linnaeus) Scopoli, Fl. Carniol., ed. 2. 26. 1772.

钻果大蒜芥 zuan guo da suan jie

Erysimum officinale Linnaeus, Sp. Pl. 2: 660. 1753; Sisymbrium officinale var. leiocarpum de Candolle.

Herbs annual, 25-75(-110) cm tall. Stems erect, branched above, sparsely to densely hirsute with retrorse trichomes, rarely subglabrous above. Basal leaves usually rosulate; petiole (1-)2-7(-10) cm; leaf blade broadly oblanceolate or oblong-obovate in outline, lyrate-pinnatifid, pinnatisect, or runcinate, (2-)3-10(-15) × (1-)2-5(-8) cm; lateral lobes (2 or)3 or 4(or 5) on each side of midvein, smaller than terminal one, oblong or lanceolate, entire or dentate or lobed; terminal lobe suborbicular or deltoid, dentate. Uppermost cauline leaves lobed, dentate, or subentire. Fruiting pedicels erect, appressed to rachis, stout, narrower than fruit, 1.5-3(-4) mm. Sepals oblong-ovate, erect, 2-2.5 × ca. 1 mm. Petals yellow, spatulate, 2.5-4 × 1-2 mm. Filaments yellowish, erect, 2-3 mm; anthers ovate, 0.3-0.5 mm. Ovules 10-20 per ovary. Fruit subulate-linear, stout, terete, erect, appressed to rachis, (0.7-)1-1.4(-1.8) cm × 1-1.5 mm, straight; valves glabrous or pubescent, 3-veined, slightly torulose; style (0.8-)1-1.5(-2) mm; stigma slightly 2-lobed; septum submembranous. Seeds oblong, 1-1.3 × 0.5-0.6 mm. Fl. Mar-Jul, fr. Apr-Sep. 2n = 14.

Roadsides, fields, pastures, waste grounds, deserts; near sea level to 1500 m. Heilongjiang, Jilin, Liaoning, Nei Mongol, Xizang [Japan, Kashmir, Kazakhstan, Pakistan, Russia; Africa, SW Asia, Europe; naturalized elsewhere].


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