XGeum rossii var. turbinatum - Alpine AvensX
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Alpine Avens -or- Ross Avens -or- Slender Stemmed Avens (Geum rossii var. turbinatum), family Rosaceae (Rose)
This lovely variety of Ross Avens (Geum rossii) is one of two others; rossii, and depressum. The genus is somewhat small having only roughly 23-50 members. They are native to Europe, Asia, North and South America, Africa and New Zealand.It is a perennial herb. Quote: Ross's avens is a yellow-flowered plant that grows from mid-elevations (where it is a taller plant) to well above treeline. The name rossii honors arctic explorer Sir James Clark Ross (1800-1862). End quote. Although the species is NOT in Weber-Wittmann's Colorado Flora (Eastern Slope), the species are shown as present where we recorded them in the USDA Plant Database, and the Floristic Synthesis of North America ? 2009 BONAP (John Kartesz). See the foliage slide for identifying characteristics.
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Plant location: Mt Evans Colorado on July 20, 2008. This species is found in the following United States: AZ, CO, ID, MT, NM, NV, OR, UT, WY.Plant -
Bloom season: June through August. Note: Pinnatifid (feather-like) leaves help to identify this species, as do the purple-tinged stems and calyces. Also note the leaves are slightly overlapping, another identifying characteristic.Foliage -
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