Chamaesyce abramsiana (L.C. Wheeler) Koutnik
Family: Euphorbiaceae
Abrams' sandmat,  more...
[Euphorbia abramsiana L.C. Wheeler]
Chamaesyce abramsiana image
eugene jercinovic  
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.
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
Chamaesyce abramsiana image
eugene jercinovic  
Chamaesyce abramsiana image
eugene jercinovic  
Chamaesyce abramsiana image
eugene jercinovic  
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Sue Rutman  
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Sue Rutman  
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Chamaesyce abramsiana image
Sue Rutman  
Chamaesyce abramsiana image