一、毛苕子的植物学特性和生长习性 毛苕子又称毛草藤、毛野豌豆、毛箭舌豌豆等。是一、二年生豆科草本植物。茎方棱形,柔软、匍匐,长达二米以上,茎上密生灰色茸毛;羽状复叶,有5～10对小叶,顶有卷须,叶上密生茸毛;花为总状花序,小花侧生,10—30朵,花蓝紫色或紫红色;果荚矩形,两侧光滑,成熟时呈灰白或淡黄色,每荚有种子2—8粒,种子圆形,黑色或黑褐色,千粒重25～34克。 毛苕子宜干旱寒冷气候,抗寒力强。根据屠曼诺夫的实验室试验,冬毛苕子能耐零下15 First, the raccoon botanical characteristics and growth habits Hairy ragweed, also known as grass rattan, hairy wild pea, hairy tongue pea and so on. Is a biennial legume herb. Stems square, soft, creeping, up to two meters above the stem dense gray hairy; pinnate, with 5 to 10 pairs of leaflets, the top of the tendrils, dense hairy leaves; flowers as racemes, floret side Plexus rectangular, smooth on both sides, gray or pale yellow at maturity, 2-8 seeds per pod, round, black or dark brown, with a grain weight of 25 ~ 34 grams. Hairy child should be dry and cold climate, cold and strong. According to Tutanov’s lab test, winterhawks can withstand minus 15