Euphorbia oblongata

Euphorbia oblongata_oblong splurge_JM DiTomaso
Photo: Joseph DiTomaso

Common names: eggleaf spurge; oblong spurge

Euphorbia oblongata (oblong spurge) is a perennial forb/herb (family Euphorbiaceae) found sporadically in California. This plant may be toxic to humans. It is inedible to wildlife and inhibits the growth of surrounding plants.

Cal-IPC Rating: Limited?

CDFA Rating: -*?


Plant Assessment Form - Information gathered by Cal-IPC on the impacts, rate of spread, and distribution of invasive plants in California. Does not include management information.

Species ID Card

Invasive Species ID Card - To support field identification of early detection species, Cal-IPC has designed a set of Species ID cards that can be downloaded, printed double-sided, and trimmed to size.

Weed Management Notes

  • Management Notes - Information on management techniques and effectiveness from the University of California Cooperative Extension’s Weed Research & Information Center.

Cal-IPC Newsletter Articles

Cal-IPC Symposium Presentations

Presentations are linked where available. Where a presentation is not available, find more information by reading the abstract in the Cal-IPC Symposia Archive.

Other Euphorbia oblongata Information

  • CalPhotos - Images of plants taken mostly in California.
  • Calflora - Distribution map and records of this species in California.
  • CalWeedMapper - Distribution map of this species in California with ability to determine regional priorities.
  • EDDMapS - Distribution of this species in North America.
  • Jepson Interchange - Information on this plant's taxonomy, biology, and distribution from UC Berkeley's Jepson Herbarium.
  • USDA PLANTS Database - Information on identification and distribution, with links to websites in individual states.
  • Additional photos

    Euphorbia oblongata_eggleaf spurge_Bob Case_cropped
    Euphorbia oblongata (eggleaf spurge) leaves, fruits, flowers. Photo: Bob Case
    Euphorbia oblongata_leaves_copyright 2014_NealKramer
    Euphorbia oblongata (eggleaf spurge) leaves. Photo: &#169 2014 Neal Kramer
    Euphorbia oblongata_stem and leaf bases_copyright 2014_NealKramer
    Euphorbia oblongata (eggleaf spurge) stem and leaf base. Photo: &#169 2014 Neal Kramer
    Euphorbia oblongata_male and female flowers_copyright 2014_NealKramer
    Euphorbia oblongata (eggleaf spurge) male and female flowers. Photo: &#169 2014 Neal Kramer