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Keys
Vascular plant groups
Club mosses
Ferns
Vegetative key to families
Gymnosperms
Flowering plants
Genera
Families
Poaceae
Perianth
segments 0–3, usually 2; flowers grouped into a characteristic
spikelet
(Fig. 48)
Poaceae
consider the other alternative
Spikelets unisexual, male and female markedly different and in different inflorescences; plants
monoecious
or
dioecious
consider the other alternative
Female flowers not arranged in a globular
head
choose this alternative
reject this alternative
Female flowers surrounded by a bony
utricle
. Plants
monoecious
Coix
choose this alternative
reject this alternative
Female flowers not surrounded by a bony
utricle
. Plants
dioecious