Poaceae

**Definition:** A large family of narrow-leaved herbaceous grasses of the order Cyperales, subclass Commelinidae, class Liliopsida (monocotyledons). Food grains (EDIBLE GRAIN) come from members of this family. RHINITIS, ALLERGIC, SEASONAL can be induced by POLLEN of many of the grasses.

**Tree numbers:** - B01.875.800.575.912.250.822

**Synonyms:** - Gramineae - Grass - Grasses