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Euphorbia hyssopifolia L.  
Family: Euphorbiaceae
hyssopleaf sandmat
[Chamaesyce brasiliensis (Lam.) Small, moreChamaesyce hyssopifolia (L.) Small, Euphorbia brasiliensis Lam.]
Euphorbia hyssopifolia image
Max Licher  
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Wiggins 1964, Jepson 1993, Kearney and Peebles 1969
Duration: Annual Nativity: Native Lifeform: Forb/Herb General: Erect to strongly ascending annual 5-60 cm tall with mostly glabrous but sometimes sparsely pilose herbage, stems simple to moderately branched at or near base. Leaves: Lanceolate to oblong, 4-20 mm, sometimes with a red blotch at center, margins evenly serrated, paler beneath than above. Flowers: Cyathia 0.4-.9 mm wide, solitary or in few-flowered cyme, peduncle 0.5-2 mm long, involucral glands 0.2-0.4 mm wide oval pink to maroon, appendages 0.3-0.6 mm wide, broader than long, white to pink, darkening with age; staminate flowers 4-15 per cyathium. Fruits: Strongly 3-lobed capsule, 1.6-2.1 mm long, with obtuse to rounded angles, glabrous. Ecology: Found on valley flowers, grassy slopes, washes, and rocky hillsides from 1,000-6,000 ft (305-1829 m); flowers throughout year under favorable moisture. Distribution: Widely distributed; Africa, Europe, e Asia, Australia; much of s N. Amer. and s US from UT and AZ east to MD; south through FL, Greater Antilles, MEX, C. Amer. and S. Amer. Notes: A highly variable plant in size, habit and shapes of leaves. Distinguished for the most part by being a mostly hairless annual, sometimes with sparse hairs; serrate leaves many longer than 15 mm; a hairless ovary larger than most species 2-2.5 mm long; and seeds with ridges. Could be confused with E. serpillifolia except it is more erect and larger in general, has more elongated leaves and ridges on seeds. Ethnobotany: Unknown for this species, other species in genera have medicinal use. Etymology: Euphorbia is named for Euphorbus, Greek physician of Juba II, King of Mauretania, hyssopifolia means having leaves like Hyssop. Synonyms: Chamaesyce brasiliensis, Euphorbia brasiliensis, Euphorbia hyssopifolia Editor: SBuckley 2010, FSCoburn 2015
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Euphorbia hyssopifolia
Open Interactive Map
Euphorbia hyssopifolia image
Max Licher  
Euphorbia hyssopifolia image
Liz Makings  
Euphorbia hyssopifolia image
Max Licher  
Euphorbia hyssopifolia image
Max Licher  
Euphorbia hyssopifolia image
Patrick Alexander  
Euphorbia hyssopifolia image
Eugene, (Gene) Sturla  
Euphorbia hyssopifolia image
Patrick Alexander  
Euphorbia hyssopifolia image
Eugene, (Gene) Sturla  
Euphorbia hyssopifolia image
Eugene, (Gene) Sturla  
Euphorbia hyssopifolia image
Patrick Alexander  
Euphorbia hyssopifolia image
Eugene, (Gene) Sturla  
Euphorbia hyssopifolia image
Zachery Berry  
Euphorbia hyssopifolia image
Euphorbia hyssopifolia image
Euphorbia hyssopifolia image
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NSF NEON | Open Data to Understand our Ecosystems The National Ecological Observatory Network is a major facility fully funded by the National Science Foundation. Any opinions, findings and conclusions or recommendations expressed in this material do not necessarily reflect the views of the National Science Foundation.