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|Family: Euphorbiaceae||View Description||Dichotomous Key|
|Genus: Euphorbia||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Euphorbia terracina L.
Habit: Annual, perennial herb, glabrous. Stem: ascending to erect, several from base, 3--8 dm. Leaf: proximal cauline alternate, sessile; stipules 0; blade 2.5--6 cm, linear to narrowly lanceolate, finely serrate, often with larger primary marginal teeth, base symmetric, tip +- acute; distal-most cauline in a whorl of (4)5. Inflorescence: 1° inflorescence branches in umbel-like cluster of (4)5 from axils of whorled leaves and also often from axils of distal alternate leaves; cyathia in leafy-bracted cyme-like clusters; bracts opposite, sessile, triangular-ovate, minutely toothed; involucre < 2 mm; glands 4(5), < 1.5 mm, transversely obovate, 2-horned, horns 1--1.5 mm, thread-like; petal-like appendage 0. Staminate Flower: 10--15. Pistillate Flower: styles undivided or forked < 1/10. Fruit: 4--5 mm, depressed spheric, deeply lobed. Seed: 2.1--2.3, oblong, round (in ×-section), smooth, gray to +- white; knob present.
Ecology: Disturbed areas near habitations, sandy soil, seeps, ocean bluffs; Elevation: < 160 m. Bioregional Distribution: SCo; Distribution Outside California: native to Europe. Flowering Time: Mar--Jul
eFlora Treatment Author: David J. Keil, Thomas J. Rosatti, Mark H. Mayfield & Daryl Koutnik
Jepson Online Interchange
Previous taxon: Euphorbia spathulata
Next taxon: Euphorbia vallis-mortae
Citation for this treatment: David J. Keil, Thomas J. Rosatti, Mark H. Mayfield & Daryl Koutnik 2017. Euphorbia terracina, Revision 1, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=25615, accessed on February 21, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 21, 2017.