Difference between revisions of "Alternanthera caracasana"
in A. von Humboldt et al., Nov. Gen. Sp. 2: 205. 1818.
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|accepted_name=Alternanthera caracasana | |accepted_name=Alternanthera caracasana | ||
| − | |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. | ||
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name=Alternanthera caracasana | name=Alternanthera caracasana | ||
| − | |authority=Kunth | + | |authority=Kunth |
|rank=species | |rank=species | ||
|parent rank=genus | |parent rank=genus | ||
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|publication year=1818 | |publication year=1818 | ||
|special status=Weedy;Introduced;Illustrated | |special status=Weedy;Introduced;Illustrated | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V4/V4_887.xml |
|genus=Alternanthera | |genus=Alternanthera | ||
|species=Alternanthera caracasana | |species=Alternanthera caracasana | ||
Latest revision as of 22:01, 5 November 2020
Herbs, perennial, 1–5 dm. Stems prostrate to procumbent, villous, glabrate. Leaves sessile; blade rhombic-ovate, oval, or obovate, usually longer than broad, 0.5–2.5 × 0.3–1.5 cm, apex rounded, apiculate, sparsely villous, glabrate. Inflorescences axillary, sessile; heads white to stramineous, ovoid, 0.5–0.8 × 0.4–0.6 cm; bracts shorter than tepals, apex long-attenuate, aristate. Flowers: tepals dimorphic, whitish to stramineous, lanceolate, 3–5 mm, apex acuminate, spinose tipped, densely villous, hairs barbed; stamens 5; pseudostaminodes triangular or subulate, shorter than filaments, margins usually entire, rarely dentate. Utricles included within tepals, brown, ovoid-orbicular, 1.5 mm, apex slightly truncate. Seeds ovate-orbiculate, 1–1.5 mm.
Phenology: Flowering summer–fall.
Habitat: Gravel, sand bars, sidewalks
Elevation: 0-2000 m
Distribution
Introduced; Ala., Ariz., Ark., Calif., Fla., Ga., La., Md., Miss., N.Mex., N.C., Okla., S.C., Tex., Mexico, Central America, South America.
Discussion
Selected References
None.