Difference between revisions of "Ranunculus subg. Batrachium"
Proc. Amer. Acad. Arts 21: 363. 1886.
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|basionyms={{Treatment/ID/Synonym | |basionyms={{Treatment/ID/Synonym | ||
| − | |name= | + | |name=Ranunculus sect. Batrachium |
|authority=de Candolle | |authority=de Candolle | ||
}} | }} | ||
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|distribution=Widespread except lowland tropics. | |distribution=Widespread except lowland tropics. | ||
|discussion=<p>Species ca. 15 (3 in the flora).</p><!-- | |discussion=<p>Species ca. 15 (3 in the flora).</p><!-- | ||
| − | --><p>Unlike most species of Ranunculus, members of this subgenus are not poisonous.</p> | + | --><p>Unlike most species of <i>Ranunculus</i>, members of this subgenus are not poisonous.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|parent rank=genus | |parent rank=genus | ||
|synonyms=Undefined subg. Batrachium | |synonyms=Undefined subg. Batrachium | ||
| − | |basionyms= | + | |basionyms=Ranunculus sect. Batrachium |
|family=Ranunculaceae | |family=Ranunculaceae | ||
|distribution=Widespread except lowland tropics. | |distribution=Widespread except lowland tropics. | ||
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|publication year=1886 | |publication year=1886 | ||
|special status= | |special status= | ||
| − | |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_164.xml |
|genus=Ranunculus | |genus=Ranunculus | ||
|subgenus=Ranunculus subg. Batrachium | |subgenus=Ranunculus subg. Batrachium | ||
Revision as of 17:15, 18 September 2019
Plants glabrous (or sheathing leaf bases sometimes pubescent). Stems creeping or floating, not bulbous-based, without bulbils. Roots nodal, never tuberous. Leaves cauline, either simple and laminate (with expanded blade), or completely dissected into filiform segments, or with proximal leaves filiform-dissected and distal leaves laminate; laminate leaves petiolate, undivided or 3-parted, segments entire to shallowly cleft and crenate; filiform-dissected leaves petiolate or sessile. Inflorescences axillary, solitary flowers. Flowers pedicellate; sepals deciduous soon after anthesis, 5; petals 5, white or white with yellow claws; nectary scale attached on 3 sides, forming ridge or shallow pocket not covering nectary, glabrous, free margin entire; style present. Fruits achenes, 1-locular; achene body ellipsoid or flattened-ellipsoid, 1-2 times as wide as thick, not prolonged beyond seed; wall thick, with coarse transverse ridges; margin low narrow ridge; beak much shorter than achene body.
Distribution
Widespread except lowland tropics.
Discussion
Species ca. 15 (3 in the flora).
Unlike most species of Ranunculus, members of this subgenus are not poisonous.
Selected References
None.
Lower Taxa
Key
| 1 | Leaves all dissected into filiform segments. | Ranunculus aquatilis var. diffusus |
| 1 | Leaves not all filiform-dissected, all or some laminate and shallowly to deeply 3-lobed or -parted. | > 2 |
| 2 | Leaves all laminate, margins shallowly crenate-lobulate, segments rounded; e North America. | Ranunculus hederaceus |
| 2 | Leaves of 2 types: laminate and filiform-dissected (filiform-dissected leaves sometimes few and inconspicuous in R. lobbii); laminate leaves 3-parted, segments elliptic, obovate, or fan-shaped; w North America. | > 3 |
| 3 | Receptacle glabrous; style 1–1.5 mm. | Ranunculus lobbii |
| 3 | Receptacle hispid; style 0.1–0.8 mm. | Ranunculus aquatilis var. aquatilis |