Ranunculus californicus var. californicus

Bentham
Synonyms: Ranunculus californicus var. austromontanus Jepson Ranunculus californicus var. gratus (Greene) L. D. Benson Ranunculus californicus var. rugulosus
Treatment appears in FNA Volume 3.

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

V3 284-distribution-map.gif

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.
Alan T. Whittemore +
Bentham +
Calif. +, Oreg. +  and Mexico (Baja California). +
0-2000 m +
Grassland and open woodland +
Flowering winter–summer (Mar–Aug). +
Pl. Hartw., +
Ranunculus californicus var. austromontanus +, Ranunculus californicus var. gratus +  and Ranunculus californicus var. rugulosus +
Ranunculus californicus var. californicus +
Ranunculus californicus +
variety +