Difference between revisions of "Alternanthera pungens"
in A. von Humboldt et al., Nov. Gen. Sp. 2: 206. 1818.
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{{Treatment/ID | {{Treatment/ID | ||
|accepted_name=Alternanthera pungens | |accepted_name=Alternanthera pungens | ||
| − | |accepted_authority=Kunth | + | |accepted_authority=Kunth |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in A. von Humboldt et al., Nov. Gen. Sp. | |title=in A. von Humboldt et al., Nov. Gen. Sp. | ||
|place=2: 206. 1818 | |place=2: 206. 1818 | ||
|year=1818 | |year=1818 | ||
| + | }} | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=W | ||
| + | |label=Weedy | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=I | ||
| + | |label=Introduced | ||
}} | }} | ||
|basionyms= | |basionyms= | ||
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|elevation=0-1500 m | |elevation=0-1500 m | ||
|distribution=Ala.;Fla.;La.;N.Y.;Tex.;West Indies;South America. | |distribution=Ala.;Fla.;La.;N.Y.;Tex.;West Indies;South America. | ||
| + | |introduced=true | ||
|discussion=<p><i>Alternanthera pungens</i> was long known as <i>A. repens</i> (Linnaeus) Link, a later homonym of <i>A. repens</i> J. F. Gmelin.</p> | |discussion=<p><i>Alternanthera pungens</i> was long known as <i>A. repens</i> (Linnaeus) Link, a later homonym of <i>A. repens</i> J. F. Gmelin.</p> | ||
|tables= | |tables= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Alternanthera pungens | name=Alternanthera pungens | ||
| − | |authority=Kunth | + | |authority=Kunth |
|rank=species | |rank=species | ||
|parent rank=genus | |parent rank=genus | ||
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|publication title=in A. von Humboldt et al., Nov. Gen. Sp. | |publication title=in A. von Humboldt et al., Nov. Gen. Sp. | ||
|publication year=1818 | |publication year=1818 | ||
| − | |special status= | + | |special status=Weedy;Introduced |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V4/V4_886.xml |
|genus=Alternanthera | |genus=Alternanthera | ||
|species=Alternanthera pungens | |species=Alternanthera pungens | ||
Latest revision as of 22:01, 5 November 2020
Herbs, perennial, 3–8 dm. Stems prostrate, villous. Leaves sessile; blade oval to obovate, usually as broad as long, 1.3–3 × 1.1–1.7 cm, apex rounded, pilose, glabrate. Inflorescences axillary, sessile; heads stramineous, globose to ovoid, 0.6–1 × 0.6–0.7 cm; bracts equaling tepals, apex attenuate. Flowers: tepals dimorphic, stramineous, lanceolate, 5–7 mm, apex acuminate, spinose tipped, sparsely villous, hairs barbed; stamens 5; anthers 3–5, globose; pseudostaminodes triangular, shorter than filaments, margins dentate. Utricles included within tepals, brown, compressed, 1.8 mm, apex truncate. Seeds lenticular, 1.3–1.5 mm.
Phenology: Flowering summer–fall.
Habitat: Waste grounds, cleared limestone areas
Elevation: 0-1500 m
Distribution
Introduced; Ala., Fla., La., N.Y., Tex., West Indies, South America.
Discussion
Alternanthera pungens was long known as A. repens (Linnaeus) Link, a later homonym of A. repens J. F. Gmelin.
Selected References
None.