gramineous

From Latin gramineus.

gramineous (comparative more gramineous, superlative most gramineous)

1. Of or pertaining to plants in the grass family (Gramineae, Poaceae).
   • 1990 September 4, Ronald S. Pidskalny, Paul G. Kneeshaw (inventors), Herbicidal composition and method for safening gramineous crops against heterocyclic phenyl ethers‎, US Patent 4954161A:

     Wild oats and greenfoxtail are among the most troublesome weeds for farmers growing gramineous crops, such as wheat, barley, rye, triticale and other cereal crops.

• (belonging to Poaceae): poaceous, graminaceous, graminous

• marigenous