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暹罗草(Chromolaena a odorata)又称虎味草、飞机草,菊科多年生粗壮草本,原产于美洲热带地区。100多年前,暹罗草传入印度,此后蔓延于东南亚各地,成为该地区的恶性杂草之一,我国海南和云南也有,并很有可能继续向整个亚洲热带、亚热带地区以及非洲和大洋洲蔓延。暹罗草有特殊气味,种子多而轻,可通过风力迅速远距离传播。种子可传播真菌病,为害作物。成株是
Siamese grass (Chromolaena a odorata), also known as the tiger grass, aircraft grass, Asteraceae perennial herb thick, native to the Americas tropics. More than 100 years ago, Siamese grass was introduced into India and later spread throughout Southeast Asia, becoming one of the most vicious weeds in the area. It is also found in Hainan and Yunnan in our country and is likely to continue to spread throughout Asia’s tropical and subtropical regions and to Africa and Oceania . Siamese grass has a special smell, more and more seeds, can be quickly spread long distances through the wind. Seeds can spread fungal disease, crop damage. Adult is