Difference between revisions of "Argemone polyanthemos"

(Fedde) G. B. Ownbey

Mem. Torrey Bot. Club 21: 128. 1958.

EndemicSelected by author to be illustratedWeedy
Basionym: Argemone intermedia var. polyanthemos Fedde in H. G. A. Engler, Pflanzenr. 40[IV,104]: 283. 1909
Treatment appears in FNA Volume 3.
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|name=Argemone intermedia var. polyanthemos
 
|name=Argemone intermedia var. polyanthemos
 
|authority=Fedde
 
|authority=Fedde
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|publication_title=in H. G. A. Engler, Pflanzenr.
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|publication_place=40[IV,104]: 283. 1909
 
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|special status=Endemic;Selected by author to be illustrated;Weedy
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V3/V3_881.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V3/V3_881.xml
 
|genus=Argemone
 
|genus=Argemone
 
|species=Argemone polyanthemos
 
|species=Argemone polyanthemos

Revision as of 19:55, 24 September 2019

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

V3 881-distribution-map.gif

Colo., Kans., Mont., Nebr., N.Mex., N.Dak., Okla., S.Dak., Tex., Utah, Wyo.

Discussion

Argemone polyanthemos is introduced in Utah.

Selected References

None.

Lower Taxa

None.
... more about "Argemone polyanthemos"
Gerald B. Ownbey +
(Fedde) G. B. Ownbey +
Argemone intermedia var. polyanthemos +
Colo. +, Kans. +, Mont. +, Nebr. +, N.Mex. +, N.Dak. +, Okla. +, S.Dak. +, Tex. +, Utah +  and Wyo. +
300-2300 m +
Prairies, foothills and mesas +
Flowering spring–summer +  and fruiting late spring–summer. +
Mem. Torrey Bot. Club +
Endemic +, Selected by author to be illustrated +  and Weedy +
Argemone polyanthemos +
Argemone +
species +