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Vascular Plants of California
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Asarum caudatum


Higher Taxonomy
Family: AristolochiaceaeView DescriptionDichotomous Key
Common Name: PIPEVINE FAMILY
Habit: Perennial herb, woody vine, [shrub], rhizomed, aromatic. Stem: branched, occasionally +- underground. Leaf: simple, basal, cauline, or arising from rhizome, alternate; blade generally cordate, entire. Inflorescence: flower generally 1, 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 +- or partly inferior, chambers generally 6. Fruit: generally capsule. Seed: many.
Genera In Family: 5--8 genera, +- 500 species: mainly tropics, warm temperate; some cultivated (Aristolochia, Asarum, Saruma).
eFlora Treatment Author: Michael R. Mesler & Karen Lu
Scientific Editor: Douglas H. Goldman, Bruce G. Baldwin.
Genus: AsarumView DescriptionDichotomous Key


Common Name: WILD-GINGER
Habit: Rhizome shallowly horizontal or deeply +- vertical, plants spreading or clumped; roots gingery-aromatic. Leaf: from rhizome, generally evergreen; blade cordate to reniform. Inflorescence: flower terminal, at ground level. Flower: generally dark colored; sepals forming tube, persistent; stamens 12, free from style, tips generally appendaged. Fruit: fleshy capsule. Seed: with fleshy appendage, ant-dispersed.
Species In Genus: 90 species: northern temperate. Etymology: (Greek: derivation unknown)
Reference: Kelly 2001 Syst Bot 26:17--53
Asarum caudatum Lindl.
NATIVE
Habit: Plants generally spreading, forming loose mat; rhizomes near soil surface, horizontal. Leaf: blade all green. Inflorescence: peduncle +- horizontal. Flower: calyx lobes 2--9 cm, spreading in flower, long-tapered, maroon (rarely +- green), tube white inside with 1 median red stripe; stamen tip < pollen sacs, dark. Chromosomes: 2n=26.
Ecology: Moist places in forest; Elevation: < 2200 m. Bioregional Distribution: NW, CaRH, CCo, SnFrB; Distribution Outside California: to British Columbia, Montana. Flowering Time: Mar--Aug Note: Plants with short, reflexed, tapered calyx lobes from CaRH (McCloud River) resemble Asarum lemmonii but have horizontal inflorescence and longer calyx lobe taper.
Jepson eFlora Author: Michael R. Mesler & Karen Lu
Reference: Kelly 2001 Syst Bot 26:17--53
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Botanical illustration including Asarum caudatum

botanical illustration including Asarum caudatum

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Citation for this treatment: Michael R. Mesler & Karen Lu 2012, Asarum caudatum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=14334, accessed on October 15, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on October 15, 2019.

Asarum caudatum
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© 2018 Julie Kierstead Nelson
Asarum caudatum
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© 2008 Keir Morse
Asarum caudatum
click for enlargement
© 2008 Keir Morse
Asarum caudatum
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© 2007 California Academy of Sciences
Asarum caudatum
click for enlargement
© 2015 Aaron E. Sims and CNPS
Asarum caudatum
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© 2010 Julie Kierstead Nelson

More photos of Asarum caudatum in CalPhotos



Geographic subdivisions for Asarum caudatum:
NW, CaRH, CCo, SnFrB
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).





 

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All markers link to CCH specimen records. The original determination is shown in the popup window.
Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time.