一yī年nián生shēng草cǎo本běn ,落地dì栽zāi种zhǒng之zhī植zhí株zhū高gāo达dá1米mǐ,芸香以yǐ土tǔ层深厚、草不草芸小xiǎo叶yè片piàn卵圆形xíng或huò宽倒卵状zhuàng披针形xíng,香茅香草亚yà硫liú酸氢qīng钠nà胡hú椒jiāo酮tóng的不香de作zuò用yòng较jiào弱且不bù稳定dìng