Ranunculus adoneus A.Gray

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Ranunculus adoneus, the alpine buttercup or snow buttercup, is a species of flowering plant. It is an alpine buttercup from the family Ranunculaceae. This species is mainly found in the Rocky Mountains in Colorado and Wyoming but can also be found in Idaho, northern Utah and eastern Nevada. Its typical habitat is short grass meadows near the edge of melting snow.

Discovery

Ranunculus adoneus was first formally described in 1863 by Asa Gray in a list of species collected by several colleagues during the summer and autumn of 1862 on and near the Rocky Mountains in Colorado.

Habitat and ecology

Ranunculus adoneus is a native species that is found only in the Rocky Mountains around the limit of snow where it is quite common. It is a long-lived perennial that is found at elevated meadows in alpine environments. The plants emerge at the edge of the melting snow and flower within a few days. The flowering time of R. adoneus is controlled by the time of snowmelt, so that on a steep gradient flowers appear first on a lower altitude and subsequently, with melting of the snow, several tens of meters higher. They are found at an altitude of 2500 – 4000 meters. Flowering lasts longer at lower altitudes. The flowers persist for approximately 10 days. Secondary flowers may open a week or two after the primary flowers.

Ranunculus adoneus - Wikipedia

 

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