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Keys
Vascular plant groups
Club mosses
Ferns
Vegetative key to families
Gymnosperms
Flowering plants
Genera
Families
Viola L.
Lowest petal scarcely longer than the others
Viola
consider the other alternative
Stipules small, translucent. Lower petal not broadly
cuneate
consider the other alternative
Stoloniferous
plants. Lower petal not or only slightly spurred. Flowers with or without sent
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Petioles
glabrous
or hairs if present not
retrorse
.
Capsule
usually
glabrous
choose this alternative
reject this alternative
Flowers concolorous
choose this alternative
reject this alternative
Flowers discolorous