TREATMENT FROM THE JEPSON MANUAL (1993) |
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Jepson Interchange (more information) |
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©Copyright 1993 by the Regents of the University of California
For up-to-date information about California vascular plants, visit the Jepson eFlora. |
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY |
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 43:110122]
Perennial from horizontal rhizome at soil surface or deep, ± vertical rhizome, spreading or clumped, gingery-aromatic
Leaves basal or arising singly from rhizome, generally evergreen; blade cordate to reniform
Inflorescence: flower terminal, at ground level
Flower radial, generally dark colored; sepals 3, persistent, adherent into a tube or fused; stamens 12, free from style
Fruit: fleshy capsule
Seed with fleshy appendage, dispersed by ants
Species in genus: 90 species: n temp
Etymology: (Greek: derivation unknown)
Native |
Plant generally spreading, forming loose mat; rhizome near soil surface, horizontal
Leaf: blade uniformly green
Inflorescence: peduncle bent downward in flower
Flower: calyx tube inner surface white, generally not striped (rarely with a partial median stripe), lobes 0.81.5 cm, strongly reflexed in flower, appressed to tube, obtuse, acute, or abruptly soft-pointed, red; anther tip < pollen sac
Chromosomes: 2n=26
Ecology: Shady wet places
Elevation: 11001900 m.
Bioregional distribution: High Sierra Nevada.KR (McCloud River) plants with tapered calyx lobes are A. caudatum
Horticultural information: IRR, DRN, SHD: 1, 2, 4, 5, 6, 7, 14, 15, 16, 17; GRCVR.