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Plant
habit
herbaceous
aquatic & OBL wetland species
longevity
annual or biennial
perennial
Leaves
arrangement/phyllotaxy
basal
alternate
Graminoid Traits
stem consistency
solid
hollow except at nodes
leaf sheath
open (split on side)
closed (not split)
ligules
absent
eciliate membrane
ciliate membrane
fringe of hairs
erose
spikelet disarticulation
breaking up at maturity (above glumes)
falling entire (below glumes)
persistent
spikelet compression
laterally compressed
dorsally compressed
subterete
awns - present/absent
awns present
awns absent