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Euphorbia abramsiana

Euphorbia abramsiana L.C. Wheeler   (redirected from: Chamaesyce abramsiana (L.C. Wheeler) Koutnik)
Family: Euphorbiaceae
Abrams' sandmat, more...Abrams' Sandmat, spurge, Abram's spurge, Abrams sandmat (es: golondrina)
[Chamaesyce abramsiana (L.C. Wheeler) Koutnik]
Euphorbia abramsiana image
eugene jercinovic
  • SW Field Guide
  • General Description
  • Resources
Wiggins 1964
Duration: Annual Nativity: Native Lifeform: Forb/Herb General: Prostrate annual forming open to moderately dense mat 5-45 cm in diameter herbage and stems finely pubescent to glabrate red-brown; or, tips of stems spreading-ascending and green among dense vegetation and in shade. Leaves: Ovate-elliptic to oblong, 2.5-12 mm, entire to minutely toothed mostly toward leaf apex, with reddish blotch near the center. Flowers: Cyathia on congested lateral branches but also solitary at nodes, inconspicuous, .4-.5 mm wide, involucral glands dotlike, rounded or nearly so, .1 mm wide, appendages absent to .2 mm wide, white to pink. Fruits: Glabrous capsules, bright green with red margins and furrows, margins rather sharp, 1.3-1.7 mm long. Ecology: Found on desert slopes, washes, playas, and flats from 200-3,500 ft (61-1067 m); flowers July-October. Distribution: AZ and CA; south to MEX Notes: Plant told apart by the combination of glabrous capsule and entire leaves. 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, abramsiana is named for LeRoy Adams (1874-1956) a professor of botany at Stanford. Synonyms: Euphorbia abramsiana Editor: SBuckley, 2010
Plant: Prostrate annual forb branching from central point; herbage generally glaucous; stems sometimes pubescent, with milky sap Leaves: leaves opposite, inequilateral at base, margins widely serrate INFLORESCENCE: flower-like, generally 1 per node, dense on short lateral branches; involucre < 1 mm, obconic, glabrous; gland < 0.5 mm, round to elliptic; appendage wider than gland, entire or shallowly 2-lobed, white Flowers: flowers monoecious borne in cyathia; petaloid appendages minute; ovary and capsule glabrous, ~1.5 mm long, widest at middle; seeds transversely ridged. Fruit: Fruit: capsule, round to 3-angled or -lobed in X -section; Seeds 1-2 per chamber, generally 4-angled, smooth or sculptured; seed scar appendage sometimes present, pad- to dome-like Misc: Sandy flats; < 200 m.
Euphorbia abramsiana
Open Interactive Map
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eugene jercinovic
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Liz Makings
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Liz Makings
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Sue Rutman
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Sue Rutman
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Sue Rutman
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