Difference between revisions of "Argemone mexicana"
Sp. Pl. 1: 508. 1753.
Selected by author to be illustratedWeedy
Synonyms: Argemone leiocarpa Greene
Treatment appears in FNA Volume 3.
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>annual. <b>Stems</b> often branching from base, 2.5-8 dm, unarmed or sparingly prickly. <b>Leaf</b> blades: surfaces unarmed or sparingly prickly on veins; proximal lobed 1/2 or more distance to midrib; distal more shallowly lobed, mostly clasping. <b>Inflorescences</b>: buds subglobose, body 10-15 × 9-13 mm, unarmed or sparingly prickly; sepal horns terete, 5-10 mm, unarmed. <b>Flowers</b> 4-7 cm broad, subtended by 1-2 foliaceous bracts; petals bright yellow or rarely pale lemon yellow; stamens 30-50; filaments yellow; pistil 4-6-carpellate. <b>Capsules</b> oblong to broadly ellipsoid, 25-45 × 12-20 mm (including stigma and excluding prickles when present), unarmed or prickly, longest prickles 6-10 mm. <b>Seeds</b> 1.6-2 mm. <b>2n</b> = 28.</span><!-- |
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|habitat=Waste places, often a weed of roadsides, dooryards, fallow fields | |habitat=Waste places, often a weed of roadsides, dooryards, fallow fields | ||
|elevation=0-1500 m | |elevation=0-1500 m | ||
| − | |distribution=Ont.;Ala.;Conn.;Fla.;Ga.;Ill.;Ind.;Kans.;La.;Md.;Mass.;Mich.;Mo.;Nebr.;N.J.;N.Y.;N.C.;Pa.;S.C.;Tenn.;Tex.;Va.;Mexico;West Indies;Central America | + | |distribution=Ont.;Ala.;Conn.;Fla.;Ga.;Ill.;Ind.;Kans.;La.;Md.;Mass.;Mich.;Mo.;Nebr.;N.J.;N.Y.;N.C.;Pa.;S.C.;Tenn.;Tex.;Va.;Mexico;West Indies;Central America. |
|discussion=<p>Argemone mexicana is probably native to southern Florida as well as the Caribbean islands and has been introduced along the coast of the United States from New England to Texas and, more infrequently, inland. Although it has been reported from Mississippi, no specimens are known. It is widespread in temperate and tropical regions around the world by introduction.</p> | |discussion=<p>Argemone mexicana is probably native to southern Florida as well as the Caribbean islands and has been introduced along the coast of the United States from New England to Texas and, more infrequently, inland. Although it has been reported from Mississippi, no specimens are known. It is widespread in temperate and tropical regions around the world by introduction.</p> | ||
|tables= | |tables= | ||
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|habitat=Waste places, often a weed of roadsides, dooryards, fallow fields | |habitat=Waste places, often a weed of roadsides, dooryards, fallow fields | ||
|elevation=0-1500 m | |elevation=0-1500 m | ||
| − | |distribution=Ont.;Ala.;Conn.;Fla.;Ga.;Ill.;Ind.;Kans.;La.;Md.;Mass.;Mich.;Mo.;Nebr.;N.J.;N.Y.;N.C.;Pa.;S.C.;Tenn.;Tex.;Va.;Mexico;West Indies;Central America | + | |distribution=Ont.;Ala.;Conn.;Fla.;Ga.;Ill.;Ind.;Kans.;La.;Md.;Mass.;Mich.;Mo.;Nebr.;N.J.;N.Y.;N.C.;Pa.;S.C.;Tenn.;Tex.;Va.;Mexico;West Indies;Central America. |
|reference=None | |reference=None | ||
|publication title=Sp. Pl. | |publication title=Sp. Pl. | ||
|publication year=1753 | |publication year=1753 | ||
|special status=Selected by author to be illustrated;Weedy | |special status=Selected by author to be illustrated;Weedy | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna- | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V3/V3_201.xml |
|genus=Argemone | |genus=Argemone | ||
|species=Argemone mexicana | |species=Argemone mexicana | ||
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-->[[Category:Treatment]][[Category:Argemone]] | -->[[Category:Treatment]][[Category:Argemone]] | ||
Revision as of 14:35, 27 July 2019
Plants annual. Stems often branching from base, 2.5-8 dm, unarmed or sparingly prickly. Leaf blades: surfaces unarmed or sparingly prickly on veins; proximal lobed 1/2 or more distance to midrib; distal more shallowly lobed, mostly clasping. Inflorescences: buds subglobose, body 10-15 × 9-13 mm, unarmed or sparingly prickly; sepal horns terete, 5-10 mm, unarmed. Flowers 4-7 cm broad, subtended by 1-2 foliaceous bracts; petals bright yellow or rarely pale lemon yellow; stamens 30-50; filaments yellow; pistil 4-6-carpellate. Capsules oblong to broadly ellipsoid, 25-45 × 12-20 mm (including stigma and excluding prickles when present), unarmed or prickly, longest prickles 6-10 mm. Seeds 1.6-2 mm. 2n = 28.
Phenology: Flowering and fruiting spring–fall, or throughout year in tropics.
Habitat: Waste places, often a weed of roadsides, dooryards, fallow fields
Elevation: 0-1500 m
Distribution
Ont., Ala., Conn., Fla., Ga., Ill., Ind., Kans., La., Md., Mass., Mich., Mo., Nebr., N.J., N.Y., N.C., Pa., S.C., Tenn., Tex., Va., Mexico, West Indies, Central America.
Discussion
Argemone mexicana is probably native to southern Florida as well as the Caribbean islands and has been introduced along the coast of the United States from New England to Texas and, more infrequently, inland. Although it has been reported from Mississippi, no specimens are known. It is widespread in temperate and tropical regions around the world by introduction.
Selected References
None.
Lower Taxa
None.