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紫铆Butea monosperma(Lam.)Taub.是豆科蝶形花亚科的中等乔木,高5—15米。原产斯里兰卡、印度和缅甸,巴布亚新几内亚和我国云南省也有分布。它在寒冷、干旱的季节落叶,露出扭曲的、畸形的树干和枝条(见照片),不很雅观。然而,一挨天气转暖而潮湿,便开出朱红色的灿烂的花朵,所以每到春天,它就鲜花盛开,无数的花朵密集于阳光下,鲜艳夺目,使人联想到林中焰火的情景,故有森林火舌之称。开花季节的末期,发出新叶,嫩叶美丽,苍白而带铜绿色,可栽培作观尝树。
Purple rivets Butea monosperma (Lam.) Taub. Is a legume butterfly flower subfamily middle tree, 5-15 meters high. The origin of Sri Lanka, India and Myanmar, Papua New Guinea and our country is also distributed in Yunnan Province. It leaves in the cold, dry season, showing twisted, deformed tree trunks and branches (see photo), not very elegant. However, when the weather gets warmer and damp, bright pink flowers emerge, so every spring it blooms in full bloom. Countless flowers are densely covered with sunshine, colorful and reminiscent of forest fireworks , It is called the forest fire tongue. The late flowering season, issued a new leaf, tender leaves beautiful, pale and copper green, can be cultivated for viewing the tree.