familyRanunculaceae
genusRanunculus
subgenusRanunculus subg. Ranunculus
sectionRanunculus sect. Ranunculus
speciesRanunculus californicus
Ranunculus californicus var. californicus
Synonyms: Ranunculus californicus var. austromontanus Jepson Ranunculus californicus var. gratus (Greene) L. D. Benson Ranunculus californicus var. rugulosus
Treatment appears in FNA Volume 3.
Revision as of 22:12, 16 December 2019 by FNA>Volume Importer
Stems erect or decumbent, hirsute or glabrous. Basal leaf blades 2.8-5.8 × 4-6 cm, leaflets or segments undivided or 1-2×-lobed or -parted, ultimate segments oblong-elliptic to lanceolate or linear, margins toothed or entire, apex acute to rounded-acute. Achenes 1.8-3.2 × 1.4-2.4 mm. 2n = 28.
Phenology: Flowering winter–summer (Mar–Aug).
Habitat: Grassland and open woodland
Elevation: 0-2000 m
Distribution
Calif., Oreg., Mexico (Baja California).
Discussion
Ranunculus californicus var. californicus is variable and has been divided into varieties based on indument, achene size, and especially leaf form. Those characters are poorly correlated, however, and most of the named varieties do not seem natural.
Selected References
None.
Lower Taxa
None.