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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ARISTOLOCHIACEAE

PIPEVINE FAMILY

Michael R. Mesler and Karen Lu

Perennial from rhizome, woody vine, shrub, aromatic
Stem branched, sometimes nearly all underground
Leaves simple, basal, cauline, or arising singly from rhizome, alternate; blade generally cordate, entire
Inflorescence: flower generally solitary, axillary or terminal
Flower bisexual, radial or bilateral; sepals 3, free or fused; petals generally 0; stamens generally 6 or 12, free or fused to style; pistil generally 1, ovary generally inferior or partly so, chambers generally 6
Fruit: generally capsule
Seeds many
Genera in family: 10 genera, 600 species: mainly tropical, warm temp; some cultivated (Aristolochia , Asarum )
Reference: [Gregory 1956 Amer J Bot 43:110–122]

ARISTOLOCHIA

PIPEVINE, BIRTHWORT

Perennial, woody vine
Stem generally climbing
Leaves cauline
Inflorescence: flower axillary
Flower bilateral, often foul smelling; sepals fused into a generally curved tube, deciduous, lobes 1–3; stamens 6, fused to style
Fruit: capsule
Seed flat
Species in genus: 500 species: generally tropical, warm temp
Etymology: (Greek: best birth, from use as medication in childbirth)

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bioregional map for ARISTOLOCHIA being generated
 
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