Difference between revisions of "Euphorbia setiloba"
in War Department [U.S.], Pacif. Railr. Rep. 5(2): 364. 1857.
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|accepted_name=Euphorbia setiloba | |accepted_name=Euphorbia setiloba | ||
| − | |accepted_authority=Engelmann | + | |accepted_authority=Engelmann |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
| − | |title=Pacif. Railr. Rep. | + | |title=in War Department [U.S.], Pacif. Railr. Rep. |
|place=5(2): 364. 1857 | |place=5(2): 364. 1857 | ||
|year=1857 | |year=1857 | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Euphorbia setiloba | name=Euphorbia setiloba | ||
| − | |authority=Engelmann | + | |authority=Engelmann |
|rank=species | |rank=species | ||
|parent rank=section | |parent rank=section | ||
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|distribution=Ariz.;Calif.;Nev.;N.Mex.;Tex.;Utah;Mexico (Baja California;Baja California Sur;Chihuahua;Durango;Sinaloa;Sonora). | |distribution=Ariz.;Calif.;Nev.;N.Mex.;Tex.;Utah;Mexico (Baja California;Baja California Sur;Chihuahua;Durango;Sinaloa;Sonora). | ||
|reference=None | |reference=None | ||
| − | |publication title=Pacif. Railr. Rep. | + | |publication title=in War Department [U.S.], Pacif. Railr. Rep. |
|publication year=1857 | |publication year=1857 | ||
|special status=Illustrated | |special status=Illustrated | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V12/V12_385.xml |
|genus=Euphorbia | |genus=Euphorbia | ||
|section=Euphorbia sect. Anisophyllum | |section=Euphorbia sect. Anisophyllum | ||
Latest revision as of 20:15, 5 November 2020
Herbs, annual, with slender taproot. Stems prostrate, mat-forming, 5–50 cm, villous with glistening glandular hairs. Leaves opposite; stipules distinct, filiform, rudimentary to 0.2 mm, glabrous or sparsely villous with glistening glandular hairs; petiole 0.5–1.5 mm, villous; blade oblong, ovate, or elliptic, 3–7 × 2–4 mm, base asymmetric, rounded, margins entire, apex obtuse, surfaces villous; weakly 3-veined from base, commonly only midvein conspicuous. Cyathia solitary at distal nodes, nodes often congested toward tips of branches; peduncle 0.2–1.6 mm. Involucre campanulate or urceolate, 0.7–1 × 0.5–0.8 mm, villous; glands 4, red to pink, oblong to slightly reniform, 0.1–0.2 × 0.2–0.3 mm; appendages white to pink, deeply incised into 3–6 triangular to subulate, attenuate, acute segments, 0.3–0.6 × 0.6–1 mm, segments entire. Staminate flowers 3–7. Pistillate flowers: ovary villous; styles 0.3–0.4 mm, 2-fid 1/2 length. Capsules subglobose to ovoid, 1–1.2 mm diam., villous; columella 0.9–1.1 mm. Seeds pink to light gray, narrowly ovoid, 4-angled in cross section, 0.8–1 × 0.5–0.6 mm, dimpled or with faint transverse ridges that do not pass through abaxial keel.
Phenology: Flowering nearly year-round in response to sufficient moisture.
Habitat: Desert scrub, blackbrush scrub, Joshua tree woodlands, grasslands, often in sandy areas.
Elevation: 20–1600 m.
Distribution
Ariz., Calif., Nev., N.Mex., Tex., Utah, Mexico (Baja California, Baja California Sur, Chihuahua, Durango, Sinaloa, Sonora).
Discussion
Selected References
None.