Difference between revisions of "Ranunculus subg. Oxygraphis"
Amer. J. Bot. 27: 806. 1940.
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|name=Undefined subg. Oxygraphis | |name=Undefined subg. Oxygraphis | ||
|authority=Bunge | |authority=Bunge | ||
| + | |rank=subgenus | ||
| + | |publication_title=Verz. Altai Pfl., | ||
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name=Ranunculus subg. Oxygraphis | name=Ranunculus subg. Oxygraphis | ||
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|authority=(Bunge) L. D. Benson | |authority=(Bunge) L. D. Benson | ||
|rank=subgenus | |rank=subgenus | ||
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|genus=Ranunculus | |genus=Ranunculus | ||
|subgenus=Ranunculus subg. Oxygraphis | |subgenus=Ranunculus subg. Oxygraphis | ||
Latest revision as of 21:47, 5 November 2020
Plants glabrous. Stems erect from short caudices or rhizomes, stolons absent, not bulbous-based, without bulbils. Roots from rhizome only, never tuberous. Leaves all basal, simple, petiolate; blades undivided, unlobed, margins entire or serrulate. Inflorescences terminal, solitary flowers. Flowers: sepals persistent in fruit, 5; petals 9-18, yellow, 7-12 mm; nectary scale attached basally, forming low ridge not covering nectary, glabrous, free margin entire; style present. Fruits achenes, 1-locular; achene body ellipsoid, about as wide as thick, not prolonged beyond seed; wall membranous, loose and ± inflated, with 1-2 longitudinal veins on each face; margin narrow ridge; beak 0.8-1.4 mm, shorter than achene body.
Distribution
North America, Asia.
Discussion
Species 5 (1 in the flora).
Selected References
None.