1) Genus panicum 2) Liliopsid genus 3) Monocot genus 4) Panic grass 
• (n.) A genus of grasses, including several hundred species, some of which are valuable; panic grass.
any of nearly 600 species of forage and cereal grasses in the genus Panicum (family Poaceae), distributed throughout tropical and warm temperate ...
Pan'i·cum noun [ Latin , panic grass.] (Botany) A genus of grasses, including several hundred species, some of which are valuable; panic grass. 
Panicum is a genus of grasses, mostly natives of the tropics, but a few species are hardy including the native British species Panicum glabrum and
[n] - panic grass
genus Panicum noun panic grass