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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Euphorbiaceae||View Description||Dichotomous Key|
|Genus: Euphorbia||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Euphorbia jaegeri V.W. Steinm. & J. André
Habit: Shrub, diffusely branched, puberulent to short-stiff-hairy or stem becoming +- glabrous. Stem: 10--25 cm, ascending to erect, repeatedly forking, 2-faced. Leaf: opposite throughout, 2-ranked, subsessile; stipules generally free, awl-shaped; blade 3.7--10.1 mm elliptic to ovate, entire, base symmetric or slightly asymmetric, tip rounded to obtuse (acute). Inflorescence: cyathia 1 per node; involucre 1.2--1.8 mm, bell-shaped to obconic; glands 4(5), 0.3 mm, transversely elliptic to oblong; petal-like appendage wider than gland, irregularly divided from halfway to +- base into 4--8 +- triangular to awl-shaped segments, white to pink. Staminate Flower: 25--30. Pistillate Flower: styles forked to base. Fruit: 1.7--2.3 mm, subspheric, lobed, puberulent. Seed: 1.4--1.5 mm, oblong-ovoid, +- 3- or 4-angled, irregularly dimpled or faintly ridged transversely, tan to grayish; knob 0.
Ecology: Uncommon. Generally rock crevices or gravel in dry rocky hillsides, arroyos in desert scrub; Elevation: +- 600--850 m. Bioregional Distribution: DMtns (Bristol, Marble mtns), DSon (Orocopia Mtns). Flowering Time: All year Note: Recently described.
eFlora Treatment Author: David J. Keil, Thomas J. Rosatti, Mark H. Mayfield & Daryl Koutnik
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory
Previous taxon: Euphorbia hooveri
Next taxon: Euphorbia lathyris
Citation for this treatment: David J. Keil, Thomas J. Rosatti, Mark H. Mayfield & Daryl Koutnik 2017. Euphorbia jaegeri, in Jepson Flora Project (eds.) Jepson eFlora, Revision 1, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=98678, accessed on April 25, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on April 25, 2017.