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龙葵(Solanum nigrum)俗名黑甜甜、苦葵、野辣虎,是茄科一年生草本植物;株高50—90厘米,直立具分枝;叶互生,小花白色,浆果球形,成熟时黑色直径8毫米。龙葵在全国各地均有分布,喜生长在田边、村庄附近及农田中,是一种危害性很大的杂草。近年来,由于大豆田推广使用禾本科杂草除草剂,而使龙葵上
Solarium (Solanum nigrum) Common name black sweet, bitter Kwai, wild sparrow tiger, is an annual thyme family Solanaceae; plant height 50-90 cm, erect with branches; leaves alternate, floret white, berry spherical, black diameter at maturity 8 mm. Solanum nigrum is distributed all over the country. It likes to grow in the fields near the village and in the farmland. It is a kind of harmful weed. In recent years, the solanum has been used as a result of the popularization of grass weeds and herbicides in soybean fields