Difference between revisions of "Adonis annua"
Sp. Pl. 1: 547. 1753.
Common names: Autumn adonis bird's-eye
Selected by author to be illustratedWeedyIntroduced
Synonyms: Adonis autumnalis Linnaeus
Treatment appears in FNA Volume 3.
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> annual, taprooted. <b>Stem</b> 1, 10-40 cm. <b>Leaves</b>: basal leaves 2-5 cm, similar to cauline, petiolate; cauline leaves sessile or subsessile. <b>Leaf</b> blade 2-3-pinnatifid. <b>Flowers</b> 1.5-2.5 cm diam.; sepals appressed to petals, broadly obovate, ± erose in distal 1/3, minutely ciliate, otherwise glabrous; petals 6-10, spreading, dark red [orange to red-purple], usually with dark basal blotch, ±plane, 8-15 mm, ca. 1.5 times length of calyx, apex slightly erose; stamens 15-20; anthers purple-black (olive green with age); pistils 20-30. <b>Heads</b> of achenes short-cylindric, 13-20 × 6-10 mm; pedicels conspicuously exserted well beyond leaves. <b>Achenes</b> 3-5 mm, glabrous, adaxial margin nearly straight, abaxial keel gibbous, not toothed; beak straight, erect, 0.5-1 mm.</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
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|habitat=Prairies, fields, river banks, and waste places | |habitat=Prairies, fields, river banks, and waste places | ||
|elevation=100-200 m | |elevation=100-200 m | ||
| − | |distribution=Ala.;Ark.;La.;Mo.;Tenn.;Tex.;native to Eurasia | + | |distribution=Ala.;Ark.;La.;Mo.;Tenn.;Tex.;native to Eurasia. |
|discussion=<p>Adonis annua also has been reported for the lower Mississippi Valley (W.C. Muenscher 1980), Ontario and Manitoba (H. J. Scoggan 1978-1979, part 3), some of the western states, and New England. I have not found more recent records to confirm abundance of the species in those regions. Muenscher's report was presumably based on J. K. Small (1933), who cited the species as abundant along newly built levees of the Mississippi River. Although the species may escape frequently in some areas, the populations are often tenuously established and tend not to persist. Records of A. annua from western states were based on misidentified A. aestivalis.</p><!-- | |discussion=<p>Adonis annua also has been reported for the lower Mississippi Valley (W.C. Muenscher 1980), Ontario and Manitoba (H. J. Scoggan 1978-1979, part 3), some of the western states, and New England. I have not found more recent records to confirm abundance of the species in those regions. Muenscher's report was presumably based on J. K. Small (1933), who cited the species as abundant along newly built levees of the Mississippi River. Although the species may escape frequently in some areas, the populations are often tenuously established and tend not to persist. Records of A. annua from western states were based on misidentified A. aestivalis.</p><!-- | ||
--><p>Herbarium specimens without mature achenes may be impossible to distinguish from the closely related Adonis aestivalis, which differs in achene morphology and, reportedly, a slight difference in orientation of sepals and petals.</p><!-- | --><p>Herbarium specimens without mature achenes may be impossible to distinguish from the closely related Adonis aestivalis, which differs in achene morphology and, reportedly, a slight difference in orientation of sepals and petals.</p><!-- | ||
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|habitat=Prairies, fields, river banks, and waste places | |habitat=Prairies, fields, river banks, and waste places | ||
|elevation=100-200 m | |elevation=100-200 m | ||
| − | |distribution=Ala.;Ark.;La.;Mo.;Tenn.;Tex.;native to Eurasia | + | |distribution=Ala.;Ark.;La.;Mo.;Tenn.;Tex.;native to Eurasia. |
|introduced=true | |introduced=true | ||
|reference=None | |reference=None | ||
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|publication year=1753 | |publication year=1753 | ||
|special status=Selected by author to be illustrated;Weedy;Introduced | |special status=Selected by author to be illustrated;Weedy;Introduced | ||
| − | |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_1162.xml |
|genus=Adonis | |genus=Adonis | ||
|species=Adonis annua | |species=Adonis annua | ||
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-->[[Category:Treatment]][[Category:Adonis]] | -->[[Category:Treatment]][[Category:Adonis]] | ||
Revision as of 14:33, 27 July 2019
Herbs, annual, taprooted. Stem 1, 10-40 cm. Leaves: basal leaves 2-5 cm, similar to cauline, petiolate; cauline leaves sessile or subsessile. Leaf blade 2-3-pinnatifid. Flowers 1.5-2.5 cm diam.; sepals appressed to petals, broadly obovate, ± erose in distal 1/3, minutely ciliate, otherwise glabrous; petals 6-10, spreading, dark red [orange to red-purple], usually with dark basal blotch, ±plane, 8-15 mm, ca. 1.5 times length of calyx, apex slightly erose; stamens 15-20; anthers purple-black (olive green with age); pistils 20-30. Heads of achenes short-cylindric, 13-20 × 6-10 mm; pedicels conspicuously exserted well beyond leaves. Achenes 3-5 mm, glabrous, adaxial margin nearly straight, abaxial keel gibbous, not toothed; beak straight, erect, 0.5-1 mm.
Phenology: Flowering spring–summer (Apr–Jun).
Habitat: Prairies, fields, river banks, and waste places
Elevation: 100-200 m
Distribution
Ala., Ark., La., Mo., Tenn., Tex., native to Eurasia.
Discussion
Adonis annua also has been reported for the lower Mississippi Valley (W.C. Muenscher 1980), Ontario and Manitoba (H. J. Scoggan 1978-1979, part 3), some of the western states, and New England. I have not found more recent records to confirm abundance of the species in those regions. Muenscher's report was presumably based on J. K. Small (1933), who cited the species as abundant along newly built levees of the Mississippi River. Although the species may escape frequently in some areas, the populations are often tenuously established and tend not to persist. Records of A. annua from western states were based on misidentified A. aestivalis.
Herbarium specimens without mature achenes may be impossible to distinguish from the closely related Adonis aestivalis, which differs in achene morphology and, reportedly, a slight difference in orientation of sepals and petals.
Several infraspecific taxonomies have been proposed for Adonis annua; none are well supported by observations in the field (C. C. Heyn and B. Pazy 1989).
Petal color has been variously reported; in the flora only dark red with a dark basal blotch is confirmed by herbarium specimens.
Selected References
None.
Lower Taxa
None.