Vegetative key to the families
Vegetative Key Vegetative key to the families
GRASSES. Herbs. Leaf bases modified to form an open sheath which encloses the stem; leaf blade with parallel venation and abruptly distinct from the sheath; LIGULE usually present at the top of the sheath (Fig 24) Poaceae
Spikelets unisexual, male and female markedly different and in different inflorescences; plants monoecious or dioecious
Spikelets bisexual (rarely unisexual, and if so, the spikelets similar and in the same inflorescence)