Difference between revisions of "Scoparia dulcis"
Sp. Pl. 1: 116. 1753.
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}}{{Treatment/ID/Special_status | }}{{Treatment/ID/Special_status | ||
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|elevation=0–300 m. | |elevation=0–300 m. | ||
|distribution=Ala.;Fla.;Ga.;La.;Miss.;S.C.;Tex.;Mexico;West Indies;Central America;South America;introduced in Asia;Africa;Indian Ocean Islands (Madagascar);Australia. | |distribution=Ala.;Fla.;Ga.;La.;Miss.;S.C.;Tex.;Mexico;West Indies;Central America;South America;introduced in Asia;Africa;Indian Ocean Islands (Madagascar);Australia. | ||
| − | |discussion=<p>Scoparia dulcis is a pantropical weed. Noting that it was a widespread weed in lowland tropical America, F. W. Pennell (1935) believed that it was adventive in the United States. Most United States floras consider it to be native in the flora area, and it is treated that way here.</p> | + | |discussion=<p><i>Scoparia dulcis</i> is a pantropical weed. Noting that it was a widespread weed in lowland tropical America, F. W. Pennell (1935) believed that it was adventive in the United States. Most United States floras consider it to be native in the flora area, and it is treated that way here.</p> |
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Scoparia dulcis | name=Scoparia dulcis | ||
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|authority=Linnaeus | |authority=Linnaeus | ||
|rank=species | |rank=species | ||
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|publication title=Sp. Pl. | |publication title=Sp. Pl. | ||
|publication year=1753 | |publication year=1753 | ||
| − | |special status=Weedy; | + | |special status=Weedy;Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V17/V17_667.xml |
|genus=Scoparia | |genus=Scoparia | ||
|species=Scoparia dulcis | |species=Scoparia dulcis | ||
Latest revision as of 19:36, 5 November 2020
Annuals or perennials. Stems erect to ascending, usually much-branched distally, (17–)30–100(–150) cm, glabrous or puberulent. Leaves: blade oblanceolate to narrowly oblanceolate or rhombic, 8–53 × 3–25 mm, base tapered to cuneate, margins crenate to dentate in distal 1/2. Inflorescences: flowers 1 or 2(or 3) per axil; bracts narrowly oblanceolate to narrowly elliptic, 4–35 mm. Pedicels 2–10 mm, glabrous. Flowers: calyx lobes 4, ovate to elliptic-ovate, 1.2–1.5 × 0.6–1 mm, margins ciliolate; corolla white, sometimes tinged pink or lavender, 2–2.5 × 3–4 mm. Capsules ovoid to subglobose, (1.6–)2–2.5(–4) × 1.4–2 mm. Seeds: 0.1–0.3 mm. 2n = 40 (India).
Phenology: Flowering May–Nov(–Jan).
Habitat: Marshes, wet hammocks, flatwoods, sandy woods, disturbed sites.
Elevation: 0–300 m.
Distribution
Ala., Fla., Ga., La., Miss., S.C., Tex., Mexico, West Indies, Central America, South America, introduced in Asia, Africa, Indian Ocean Islands (Madagascar), Australia.
Discussion
Scoparia dulcis is a pantropical weed. Noting that it was a widespread weed in lowland tropical America, F. W. Pennell (1935) believed that it was adventive in the United States. Most United States floras consider it to be native in the flora area, and it is treated that way here.
Selected References
None.