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Plant
habit
herbaceous
aquatic & OBL wetland species
leaves/twigs aromatic when crushed
without marked odor
clearly odiferous
Flower
flower type
radial sym. 6 or more petals
petals indistinguishable
Fruit or Cone
mature fruit dehiscence
opening along 3 to many seams
does not split open to release seed
Graminoid Traits
leaf arrangment - number of ranks
2-ranked
3-ranked
stem consistency
hollow except at nodes
solid
culm cross-section
round
angled
leaf sheath
open (split on side)
closed (not split)
floral condition
perianth of tepals
perianth absent; floret subtended by 1 scale
perianth absent; floret subtended by 2 scales