Difference between revisions of "Ranunculus subg. Ceratocephala"
Amer. J. Bot. 27: 806. 1940.
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Undefined subg. Ceratocephalus | |name=Undefined subg. Ceratocephalus | ||
|authority=Moench | |authority=Moench | ||
| + | |publication_title=Methodus, | ||
| + | |publication_place=218. 1794 | ||
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|publication year=1940 | |publication year=1940 | ||
|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/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V3/V3_411.xml |
|genus=Ranunculus | |genus=Ranunculus | ||
|subgenus=Ranunculus subg. Ceratocephala | |subgenus=Ranunculus subg. Ceratocephala | ||
Revision as of 20:53, 24 September 2019
Plants villous. Stems erect, not bulbous-based, without bulbils. Roots basal, never tuberous. Leaves all basal, petiolate; blade 1-2×-dissected. Inflorescences terminal, solitary flowers. Flowers: sepals persistent in fruit, 5, 3-6 × 1-2 mm; petals 5, yellow; nectary scale attached basally, forming flap over nectary, glabrous, free margin entire; style present. Fruits achenes, 3-locular, lateral locules empty; achene body ellipsoid, about as wide as thick, not prolonged beyond seed; wall firm, smooth; margin low narrow ridge; beak much longer than achene body.
Distribution
North America, Pacific Islands, Australia, Europe, c, sw Asia, and n Africa.
Discussion
Species 10 (1 in the flora).
Ranunculus subg. Ceratocephalus is very different in aspect and fruit structure from other species of the genus; it is often treated as a distinct genus.