familyRanunculaceae
genusRanunculus
subgenusRanunculus subg. Ranunculus
sectionRanunculus sect. Epirotes
speciesRanunculus triternatus
Difference between revisions of "Ranunculus triternatus"
Proc. Amer. Acad. Arts 21: 370. 1886.
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>prostrate or ascending, 5-20 cm, glabrous, each with 1-6 flowers. <b>Roots</b> cylindric, 2-3 mm thick. <b>Basal</b> leaves persistent, blades rhombic to deltate or reniform in outline, 3-4×-dissected, 1.1-3.4 × 2-3.1 cm, segments linear, base obtuse, margins crenate, apices of segments narrowly rounded. <b>Flowers</b>: pedicels glabrous; receptacle short-pubescent; sepals 4-8 × 2-5 mm, abaxially glabrous or nearly so; petals 5, 6-15 × 4-10 mm; nectary scale glabrous. <b>Heads</b> of achenes depressed-globose, 4-6 × 5-8 mm; achenes 1.8-2.2 × 1.2-1.8 mm, finely pubescent; beak subulate, straight, 0.8-1.5 mm.</span><!-- |
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|publication year=1886 | |publication year=1886 | ||
|special status=Conservation concern;Endemic | |special status=Conservation concern;Endemic | ||
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|genus=Ranunculus | |genus=Ranunculus | ||
|subgenus=Ranunculus subg. Ranunculus | |subgenus=Ranunculus subg. Ranunculus | ||
|section=Ranunculus sect. Epirotes | |section=Ranunculus sect. Epirotes | ||
|species=Ranunculus triternatus | |species=Ranunculus triternatus | ||
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Revision as of 14:54, 27 July 2019
Stems prostrate or ascending, 5-20 cm, glabrous, each with 1-6 flowers. Roots cylindric, 2-3 mm thick. Basal leaves persistent, blades rhombic to deltate or reniform in outline, 3-4×-dissected, 1.1-3.4 × 2-3.1 cm, segments linear, base obtuse, margins crenate, apices of segments narrowly rounded. Flowers: pedicels glabrous; receptacle short-pubescent; sepals 4-8 × 2-5 mm, abaxially glabrous or nearly so; petals 5, 6-15 × 4-10 mm; nectary scale glabrous. Heads of achenes depressed-globose, 4-6 × 5-8 mm; achenes 1.8-2.2 × 1.2-1.8 mm, finely pubescent; beak subulate, straight, 0.8-1.5 mm.
Phenology: Flowering spring (Apr–May).
Habitat: Grassland or sagebrush
Elevation: 900-1700 m
Distribution
Idaho, Nev., Oreg., Wash.
Discussion
Of conservation concern.
C. L. Hitchcock et al. (1955-1969, vol. 2) considered the name Ranunculus triternatus A. Gray to be an illegitemate homonym and used the illegitimate (superfluous) name R. reconditus A. Nelson & J. F. Macbride for this species. The name Ranunculus triternatus Poiret was not validly published (not accepted by Poiret) and does not invalidate R. triternatus A. Gray.
Selected References
None.
Lower Taxa
None.