Violaceae
Fls perfect, regular to irregular, solitary or in bracted racemes; sepals 5, imbricate; petals 5, lowermost often spurred; stamens 5 hypog. to perig., connivent around pistil; anthers 2-celled, introrse, one often spurred. Ovary superior, unilocular; carpels 3-5, with parietal placentae; ovules solitary to ∞.Fr. a loculicidal capsule or baccate; seed with straight embryo; endosperm plentiful. Trees, shrubs, or herbs with simple stipulate, mostly alt., lvs. About 16 widespread genera and 900 spp.
Key
2
Anthers free ( except in M. lanceolatus); style occ. 3-6-fid, us. with 3-6-lobed stigma