Ranunculus austro-oreganus
Ranunculus austro-oreganus, the Southern Oregon buttercup, is a plant species endemic to the region around Medford, Oregon. It grows on grassy areas at elevations less than 500 m (1650 feet).[1]
| Southern Oregon buttercup | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Ranunculales |
| Family: | Ranunculaceae |
| Genus: | Ranunculus |
| Species: | R. austro-oreganus |
| Binomial name | |
| Ranunculus austro-oreganus L.D. Benson | |
Ranunculus austro-oreganus is an erect to ascending herb not rooting at the nodes. Leaves are 3-parted, up to 5 cm (2 inches) long and about as wide. Flower petals are each up to 12 mm (0.5 inches) long, yellow with prominent red veins visible on the back but not on the front. Achenes are hemispheric with a persistent straight or curved beak. The species is closely related to R. occidentalis.[2][3]
References
- Flora of North America v 3
- Benson, Lyman David. American Midland Naturalist 52: 341. 1954.
- Buttercups West of the Cascade Mountains, Southern Oregon Buttercup, Paul Schlichter
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