Difference between revisions of "Ranunculus sect. Arcteranthis"
Amer. J. Bot. 23: 174. 1936.
imported>Volume Importer |
imported>Volume Importer |
||
| Line 46: | Line 46: | ||
|publication year=1936 | |publication year=1936 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V3/V3_808.xml |
|genus=Ranunculus | |genus=Ranunculus | ||
|subgenus=Ranunculus subg. Cyrtorhyncha | |subgenus=Ranunculus subg. Cyrtorhyncha | ||
Latest revision as of 22:51, 5 November 2020
Plants glabrous. Stems erect, not bulbous-based, without bulbils. Roots basal, never tuberous. Leaves all basal or sometimes with single, scalelike, cauline leaf; basal leaves petiolate, blades 3-5-parted, segments again lobed and crenate; cauline leaf (when present) petiolate or sessile, blade small, palmately or pedately 3-9-lobed. Inflorescences terminal, solitary flowers. Flowers: sepals deciduous soon after anthesis, 5; petals yellow, showy; nectary scale a crescentic ridge surrounding nectary, glabrous, free margin entire; style present. Fruits achenes, 1-locular; achene body cylindric, 1.4-2 times as wide as thick, not prolonged beyond seed; wall thin, papery, loose, compressed, at maturity forming narrow ventral wing, longitudinally veined; margin an inconspicuous ridge similar to veins; beak 1-1.8 mm, much shorter than achene body.
Distribution
nw North America.
Discussion
Species 1 (1 in the flora).
Selected References
None.