Compilation
Ranunculus ranunculinus

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Name

Identification
Ranunculus ranunculinus (Nuttall) Rydberg [family RANUNCULACEAE ] (stored under name); Verified by T. Duncan, 1982 Isotype of Cyrtorhyncha ranunculina Nuttall [family RANUNCULACEAE ] Verified by Nutt., 1838 Cyrtorhyncha ranunculina Nuttall [family RANUNCULACEAE ] Verified by Not on Sheet, Ranunculus ranunculinus (Nuttall) Rydberg [family RANUNCULACEAE ] Verified by L. D. Benson (POM), 1946
Related name
  • Cyrtorhyncha ranunculina
  • Ranunculus nuttallii
  • Cyrtorhyncha neglecta
  • Ranunculus cyrtorhyncha
  • Ranunculus ranunculinus

Flora

Entry for Ranunculus ranunculinus (Nuttall) Rydberg [family RANUNCULACEAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 3,
Names
Ranunculus ranunculinus (Nuttall) Rydberg [family RANUNCULACEAE], Bot. Surv. Nebraska, 3: 23. 1894
Cyrtorhyncha ranunculina Nuttall [family RANUNCULACEAE], in J. Torrey & A. Gray, Fl. N. Amer., 1: 26. 1838
Information
Stems erect from short caudices, not rooting nodally, glabrous, not bulbous-based. Tuberous roots absent. Leaves: basal leaf blades ovate to semicircular in outline, ternately or pinnately 2×-compound, 2.4-8.2 × 2-8.5 cm, leaflets parted and again lobed, ultimate segments elliptic to linear, margins entire (or occasionally a lobe reduced to tooth), apex acuminate to rounded. Flowers: receptacle glabrous; sepals spreading or reflexed from base, 3-6 × 1-3 mm, glabrous; petals (0-)5-6, yellow, 3-8 × 1-3 mm. Heads of achenes hemispheric to globose, 4-5 × 6-7 mm; achenes 2.2-3.6 × 1.2-1.8 mm, glabrous; beak filiform, strongly reflexed from base, 0.8-1.5 mm, brittle, often broken. 2n = 32.
Phenology
Flowering spring-summer (Apr-Aug)
Altitude range
1700-2600 m
Distribution
USA Colo.USA N.Mex.USA UtahUSA Wyo.

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