The 'Chrysopogon zizanioides', well known as Vetiver, is a tropical plant with unique characteristics, so much that experts call it the miracle grass.

岩兰草，是具有独特的特点的热带植物，被许多专家称之为奇迹草。

youdao

The new breed of pennisetum pureum tropical forage grass has been cultured which is accustomed to the sub tropic climate condition via introduction and choosing of hybridization.

用美洲狼尾草与非洲象草进行远源杂交，选育出了适应亚热带气候条件栽培的热带牧草王草新品种，并大田观察其生物学特性。

youdao

There are more insects in tropical rainforest zones than in temperate grass zones.

热带雨林区的昆虫比温带草原区的多。

youdao

Former commissioner MacMillan contends that Panama has badly neglected the military bases, ports and other facilities that have been placed in its charge, and shows reporters photos of abandoned Panama Railroad cars overgrown with grass and tropical vines.

CNN: The Canal Cronies