天气预报 > 其他 > 红豆有毒性吗
红豆有毒性吗
更新时间: 2019-04-01 00:00:00  

没毒。红豆(拉丁学名:Abrus-precatorius-L),豆科相思子属植物,广泛分布于热带地区。红豆喜光,根深材韧,抗风力强,根系发达,具根瘤,能固定大气中的游离氮。红豆属于藤本,茎细弱,多分枝,羽状复叶,小叶8~13对,膜质,对生,近长圆形。总状花序腋生,花序轴粗短,花小,密集成头状;花萼钟状,花冠紫色,旗瓣柄三角形。荚果长圆形,果瓣革质,成熟时开裂,种子椭圆形。

拓展资料:相传汉代闽越国有一男子被强征戍边,其妻终日望归。后同去者归,惟其夫未返,妻念更切,终日立于村前道口树下,朝盼暮望,哭断柔肠,泣血而死。树上忽结荚果,其籽半红半黑,晶莹鲜艳,人们视为贞妻挚妇的血泪凝成,称为红豆,又叫相思子。唐代诗人王维有诗:红豆生南国,春来发几枝。劝君多采撷,此物最相思。诗人根据故事借物抒情表达相思,委婉含蓄,成为千古传诵的名诗。

关键词: 红豆 毒性

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