Jepson Flora Project: Jepson Interchange    

link to manual TREATMENT FROM THE JEPSON MANUAL (1993) previous taxon | next taxon
Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

  • Up-to-date information about California vascular plants is available from the Jepson eFlora.



Mary Susan Taylor

Annual, perennial herb
Leaves simple to pinnately compound; lower basal; upper opposite; blade lanceolate to reniform in outline, base cordate to truncate, short-hairy
Inflorescence: umbel
Flower: stamens 5, alternate 5 scale-like staminodes
Fruit: body indehiscent, fusiform, 1-seeded, base sharply pointed, top generally pitted, pits subtended by 1–2 furrows or not; style segment persistent to fruit body stiffly hairy on side facing column
Species in genus: ± 75 species: temp Am, Eurasia, n Africa, Australia
Etymology: (Greek: heron, from bill-like fruit)
Reference: [Guittonneau 1972 Boissiera 20:1–154]
Some cultivated for forage, dyes.


E. botrys (Cav.) Bertol.

Stem prostrate to ascending, 1–9 dm, short-hairy
Leaves lobed to dissected; lobes ± 8–10 mm wide; lower leaves 3–15 cm; blade ± = petiole, ovate to oblong in outline, glabrous to sparsely puberulent, veins short-appressed-hairy
Flower: sepals 10–13 mm, tip bristly; petals slightly > sepals, lavender
Fruit: body 8–11 mm, pit ± round, deep, glabrous, generally subtended by 2 furrows; style column 5–12 cm
Chromosomes: 2n=40
Ecology: Dry, open or disturbed sites
Elevation: < 1000 m.
Bioregional distribution: California Floristic Province
Distribution outside California: native to s Europe


E. cicutarium (L.) Aiton

Stem decumbent to ascending, 1–5 dm, ± glandular-hairy
Leaves compound; lower 3–10 cm, blade > petiole, ovate to oblanceolate in outline, sparsely hairy; leaflets 9–13, deeply dissected, ultimate segments 1–2 mm wide
Flower: sepals 3–5 mm, tip bristly; petals ± = sepals, red-lavender, base generally purple
Fruit: body 4–7 mm, pit ± round, glabrous, subtended by 1 shallow furrow or not; style column 2–5 cm
Chromosomes: 2n=40
Ecology: Open, disturbed sites, grassland, scrub
Elevation: < 2000 m.
Bioregional distribution: California
Distribution outside California: widespread US; native to Eurasia
Flowering time: Feb–May

previous taxon | next taxon
bioregional map for ERODIUM%20botrys being generated

Retrieve Jepson Interchange Index to Plant Names entry for Erodium botrys
Retrieve dichotomous key for Erodium
Overlay Consortium of California Herbaria specimen data by county on this map
Show other taxa with the same California distribution | Read about bioregions | Get lists of plants in a bioregion
Return to the Jepson Interchange main page
Return to treatment index page

University & Jepson Herbaria Home Page |
General Information | University Herbarium | Jepson Herbarium |
Visiting the Herbaria | On-line Resources | Research |
Education | Related Sites
Copyright © by the Regents of the University of California