Difference between revisions of "Euphorbia cuphosperma"
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 15(2): 73. 1862.
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{{Treatment/ID | {{Treatment/ID | ||
|accepted_name=Euphorbia cuphosperma | |accepted_name=Euphorbia cuphosperma | ||
| − | |accepted_authority=(Engelmann) Boissier | + | |accepted_authority=(Engelmann) Boissier |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
| − | |title=Prodr. | + | |title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. |
|place=15(2): 73. 1862 | |place=15(2): 73. 1862 | ||
|year=1862 | |year=1862 | ||
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|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Euphorbia dentata var. cuphosperma | |name=Euphorbia dentata var. cuphosperma | ||
| − | |authority=Engelmann | + | |authority=Engelmann |
|rank=variety | |rank=variety | ||
| − | |publication_title=Rep. U.S. Mex. Bound. | + | |publication_title=in W. H. Emory, Rep. U.S. Mex. Bound. |
|publication_place=2(1): 190. 1859 | |publication_place=2(1): 190. 1859 | ||
}} | }} | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Euphorbia cuphosperma | name=Euphorbia cuphosperma | ||
| − | |authority=(Engelmann) Boissier | + | |authority=(Engelmann) Boissier |
|rank=species | |rank=species | ||
|parent rank=section | |parent rank=section | ||
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|distribution=Ariz.;N.Mex.;Mexico;Central America (Guatemala). | |distribution=Ariz.;N.Mex.;Mexico;Central America (Guatemala). | ||
|reference=None | |reference=None | ||
| − | |publication title=Prodr. | + | |publication title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. |
|publication year=1862 | |publication year=1862 | ||
|special status=Weedy | |special status=Weedy | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V12/V12_567.xml |
|genus=Euphorbia | |genus=Euphorbia | ||
|section=Euphorbia sect. Poinsettia | |section=Euphorbia sect. Poinsettia | ||
Latest revision as of 19:16, 5 November 2020
Herbs, annual, with taproot. Stems erect, 13–20 cm, both pilose to villous and densely strigillose; branches ± straight. Leaves usually opposite, occasionally alternate at distal nodes; petiole 3–15 mm, pilose; blade narrowly to broadly elliptic, or lanceolate to ovate, 30–80 × 10–15 mm, base cuneate to rounded, margins coarsely crenate-dentate, strigose, revolute to nearly flat, apex broadly acute to acuminate, or obtuse, abaxial surface pilose, adaxial surface sparsely strigose-hirsute; venation pinnate, midvein prominent. Cyathial arrangement: terminal pleiochasial branches usually 3, occasionally reduced to congested cyme, 1–2-branched; pleiochasial bracts 2–4, often whorled, wholly green or paler green at base, similar in shape and size to distal leaves or slightly narrower; dichasial bracts highly reduced. Cyathia: peduncle 0.5–0.8 mm. Involucre campanulate to slightly cylindric, 2.3 × 1.2 mm, glabrous; involucral lobes divided into several linear, smooth lobes; gland 1, yellow-green, stipitate, clavate, 1–1.2 × 0.8–0.9 mm, opening bilabiate and oblong, glabrous; appendages absent. Staminate flowers 3–5. Pistillate flowers: ovary pilose; styles 1.2 mm, 2-fid nearly entire length. Capsules broadly ovoid, 2.2–3 × 1.9–2.7 mm, 3-lobed, pilose; columella 2–2.4 mm. Seeds gray-brown to pale gray, pyramidally ovoid, angular in cross section, 2.3–2.6 × 2.4–2.6 mm, coarsely tuberculate, tubercles in 2 transverse rows; caruncle 0.2–0.4 mm. 2n = 56.
Phenology: Flowering and fruiting summer–fall.
Habitat: Open montane and canyon forests, pinyon-juniper forests, montane grasslands, stream beds, disturbed habitats.
Elevation: 800–2000 m.
Distribution
Ariz., N.Mex., Mexico, Central America (Guatemala).
Discussion
Selected References
None.