Difference between revisions of "Ranunculus sceleratus"
Sp. Pl. 1: 551. 1753.
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|basionyms= | |basionyms= | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
| − | |name= | + | |name=Hecatonia scelerata |
|authority=(Linnaeus) Fourreau | |authority=(Linnaeus) Fourreau | ||
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|distribution=North America;Eurasia | |distribution=North America;Eurasia | ||
|discussion=<p>Varieties 2 (2 in the flora).</p><!-- | |discussion=<p>Varieties 2 (2 in the flora).</p><!-- | ||
| − | --><p>Ranunculus sceleratus varieties were used by the Thompson Indians as a poison for their arrow points (D. E. Moerman 1986).</p> | + | --><p><i>Ranunculus sceleratus</i> varieties were used by the Thompson Indians as a poison for their arrow points (D. E. Moerman 1986).</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|rank=species | |rank=species | ||
|parent rank=section | |parent rank=section | ||
| − | |synonyms= | + | |synonyms=Hecatonia scelerata |
|basionyms= | |basionyms= | ||
|family=Ranunculaceae | |family=Ranunculaceae | ||
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|publication year=1753 | |publication year=1753 | ||
|special status=Weedy | |special status=Weedy | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V3/V3_977.xml |
|genus=Ranunculus | |genus=Ranunculus | ||
|subgenus=Ranunculus subg. Ranunculus | |subgenus=Ranunculus subg. Ranunculus | ||
Revision as of 17:21, 18 September 2019
Stems erect, glabrous, rooting at base, only very rarely rooting at proximal nodes. Leaves basal and cauline, basal and proximal cauline leaf blades reniform to semicircular in outline, 3-lobed or -parted, 1-5 × 1.6-6.8 cm, base truncate to cordate, segments usually again lobed or parted, sometimes undivided, margins crenate or crenate-lobulate, apex rounded or occasionally obtuse. Flowers: receptacle pubescent or glabrous; sepals 3-5, reflexed from or near base, 2-5 × 1-3 mm, glabrous or sparsely hirsute; petals 3-5, 2-5 × 1-3 mm; nectary on petal surface, scale poorly developed and forming crescent-shaped or circular ridge surrounding but not covering nectary; style absent. Heads of achenes ellipsoid or cylindric heads, 5-13 × 3-7 mm; achenes 1-1.2 × 0.8-1 mm, glabrous; beak deltate, usually straight, 0.1 mm.
Distribution
North America, Eurasia
Discussion
Varieties 2 (2 in the flora).
Ranunculus sceleratus varieties were used by the Thompson Indians as a poison for their arrow points (D. E. Moerman 1986).
Selected References
None.
Key
| 1 | Faces of achene with fine transverse wrinkles; leaf blades lobed or parted, segments undivided or lobed, margins crenate. | Ranunculus sceleratus var. sceleratus |
| 1 | Faces of achene smooth; leaf blades always parted (often deeply so), segments lobed or parted, margins deeply crenate or lobulate. | Ranunculus sceleratus var. multifidus |