Directory       News       Site Map       Home
         
    Jepson eFlora: Taxon page
Key to families | Table of families and genera

Previous taxon Indexes to all accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Previous taxon

ARISTOLOCHIACEAE PIPEVINE FAMILY

Michael R. Mesler & Karen Lu

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.
5–8 genera, ± 500 species: mainly tropics, warm temperate; some cultivated (Aristolochia, Asarum, Saruma). [Neinhaus et al. 2005 Plant Syst Evol 250:7–26] —Scientific Editors: Douglas H. Goldman, Bruce G. Baldwin.

Key to Aristolochiaceae

ASARUM WILD-GINGER
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.
90 species: northern temperate. (Greek: derivation unknown) [Kelly 2001 Syst Bot 26:17–53]

Key to Asarum

A. caudatum Lindl.
NATIVE
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.
2n=26. Moist places in forest; < 2200 m. Northwestern California, High Cascade Range, San Francisco Bay Area; to British Columbia, Montana. Plants with short, reflexed, tapered calyx lobes from High Cascade Range (McCloud River) resemble Asarum lemmonii but have horizontal inflorescence and longer calyx lobe taper. Mar–Aug [Online Interchange]

Previous taxon: Asarum
Next taxon: Asarum hartwegii

Contact/Feedback

Name search

Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Apr 23 2014
Citation for this treatment: [Author of taxon treatment] 2012. Asarum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=14334, accessed on Apr 23 2014

Copyright © 2013 Regents of the University of California
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.


click for enlargement Asarum caudatum
See CalPhotos for additional images
© 1995 Saint Mary's College of California

Bioregions in which Asarum caudatum occurs Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
READ ABOUT YELLOW FLAGS
map of distribution 1
View elevation by latitude chart Data provided by the participants of the Consortium of California Herbaria.
View all CCH records

 

CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.