Jepson Flora Project: Jepson Interchange    

 
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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California
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VIOLACEAE

VIOLET FAMILY

R. John Little

Annual to shrub or vine (generally per in CA)
Leaves basal, cauline, or both, generally alternate, entire to compound; stipules generally small
Inflorescence: head, raceme, panicle, or flowers solitary; peduncle bractlets 2
Flower generally bisexual, generally bilateral; sepals 5, free to slightly fused, generally persistent; petals 5, free, lowest generally spurred or pouched at base; stamens generally 5, alternate petals, filaments short, wide, anthers surrounding ovary, adherent or fused, often with nectaries at base, often with membranous appendage at tip; ovary superior, chamber 1, placentas 3, parietal, ovules generally many, style 1
Fruit: generally capsule, 3-valved, generally explosively dehiscent
Seeds generally appendaged
Genera in family: 15 genera, 600 species: generally temp, worldwide; some cultivated as ornamental; some Eur species medicinally useful as emetics, diuretics, purgatives
Reference: [Brizicky 1961 J Arnold Arbor 42:321–333]
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