Difference between revisions of "Argemone polyanthemos"
Mem. Torrey Bot. Club 21: 128. 1958.
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|special_status={{Treatment/ID/Special_status | |special_status={{Treatment/ID/Special_status | ||
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|code=E | |code=E | ||
|label=Endemic | |label=Endemic | ||
}}{{Treatment/ID/Special_status | }}{{Treatment/ID/Special_status | ||
|code=F | |code=F | ||
| − | |label= | + | |label=Illustrated |
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|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Argemone intermedia var. polyanthemos | |name=Argemone intermedia var. polyanthemos | ||
|authority=Fedde | |authority=Fedde | ||
| + | |rank=variety | ||
|publication_title=in H. G. A. Engler, Pflanzenr. | |publication_title=in H. G. A. Engler, Pflanzenr. | ||
|publication_place=40[IV,104]: 283. 1909 | |publication_place=40[IV,104]: 283. 1909 | ||
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name=Argemone polyanthemos | name=Argemone polyanthemos | ||
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|authority=(Fedde) G. B. Ownbey | |authority=(Fedde) G. B. Ownbey | ||
|rank=species | |rank=species | ||
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|publication title=Mem. Torrey Bot. Club | |publication title=Mem. Torrey Bot. Club | ||
|publication year=1958 | |publication year=1958 | ||
| − | |special status=Endemic; | + | |special status=W2;Endemic;Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V3/V3_881.xml |
|genus=Argemone | |genus=Argemone | ||
|species=Argemone polyanthemos | |species=Argemone polyanthemos | ||
Latest revision as of 21:52, 5 November 2020
Plants annual or biennial. Stems 4-8(-12) dm, sparingly prickly. Leaf blades: abaxial surface scattered-prickly on main veins, adaxial surface unarmed; proximal lobed 2/3 distance to midrib; distal clasping. Inflorescences: buds ellipsoid-oblong, body 15-22 × 10-15 mm, sparingly prickly; sepal horns terete, 6-10(-15) mm, usually unarmed. Flowers 7-10 cm broad, usually closely subtended by 1-2 foliaceous bracts; petals white, very rarely lavender; stamens 150 or more; filaments lemon yellow; pistil 3-4-carpellate. Capsules narrowly to broadly ellipsoid, 35-50 × 10-17 mm (including stigma and excluding prickles), prickly, surface clearly visible, prickles widely spaced, longest 4-10(-12) mm, interspersed with a few shorter ones. Seeds ca. 2 mm. 2n = 28.
Phenology: Flowering spring–summer; fruiting late spring–summer.
Habitat: Prairies, foothills and mesas
Elevation: 300-2300 m
Distribution
Colo., Kans., Mont., Nebr., N.Mex., N.Dak., Okla., S.Dak., Tex., Utah, Wyo.
Discussion
Argemone polyanthemos is introduced in Utah.
Selected References
None.