Sowing
The scientific name Descurainia sophia (L.) Schur is a cruciferaceous annual or annual herb. Alias ​​flower grass, rice bran. Located in North China, Northwest China, East China and Sichuan. It is an important weed in wheat and rape fields.
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Morphological characteristics Stems upright, plant height 30 to 120 cm, cylindrical, more than the upper branch, dense gray hairy overall. Leaves alternate, lower leaves with stalks, upper sessile, narrow leaves ovate, 3–5cm long, 2-3 backspinnately lobed, narrow lobes or oblong-segmented distal segments, and more dorsal leaves. Racemes terminal, flowers pale yellow, 2 mm in diameter, 4 exoskelas erect, outer forked puberulent, 4 petals, spatulate, 2-2.5 mm long. The pods are long, narrow, slanting and cracking when mature. Seeds oblong, yellow-brown. Seed breeding.
Ecological characteristics are born in farmland, along canals or on roadsides.
Morphological characteristics Stems upright, plant height 30 to 120 cm, cylindrical, more than the upper branch, dense gray hairy overall. Leaves alternate, lower leaves with stalks, upper sessile, narrow leaves ovate, 3–5cm long, 2-3 backspinnately lobed, narrow lobes or oblong-segmented distal segments, and more dorsal leaves. Racemes terminal, flowers pale yellow, 2 mm in diameter, 4 exoskelas erect, outer forked puberulent, 4 petals, spatulate, 2-2.5 mm long. The pods are long, narrow, slanting and cracking when mature. Seeds oblong, yellow-brown. Seed breeding.
Ecological characteristics are born in farmland, along canals or on roadsides.
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