''Potentilla angelliae'' is a rare species of flowering plant in the

rose family Rosaceae (), the rose family, is a medium-sized family of flowering plants that includes 4,828 known species in 91 genera. The name is derived from the type genus ''Rosa''. Among the most species-rich genera are ''Alchemilla'' (270), ''Sorbus' ...

known by the common names Angell cinquefoil and Boulder Mountain cinquefoil. It is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

Utah Utah ( , ) is a state in the Mountain West subregion of the Western United States. Utah is a landlocked U.S. state bordered to its east by Colorado, to its northeast by Wyoming, to its north by Idaho, to its south by Arizona, and to it ...

in the United States, where it is known only from Boulder Mountain on the

Aquarius Plateau The Aquarius Plateau is a physiographic region in the High Plateaus Section of the Colorado Plateau Province. It is located within Garfield and Wayne counties in south-central Utah. Geography The plateau, a tectonic uplift on the much larger ...

.''Potentilla angelliae''.
The Nature Conservancy. This plant was first described in 1987.Holmgren, N. H. (1987)
Two new species of ''Potentilla'' (Rosaceae) from the Intermountain region of western U.S.A.
''Brittonia'' 39(3) 340-44. It is a perennial herb with spreading or prostrate stems up to 11 centimeters long. Each leaf is divided into a few lobed or toothed leaflets. Yellow flowers bloom in July. There are five known occurrences of this plant, with an estimated total of 19,000 individuals. The plants grow in a rocky

subalpine Montane ecosystems are found on the slopes of mountains. The alpine climate in these regions strongly affects the ecosystem because temperatures fall as elevation increases, causing the ecosystem to stratify. This stratification is a crucial f ...

meadow at an

elevation The elevation of a geographic location is its height above or below a fixed reference point, most commonly a reference geoid, a mathematical model of the Earth's sea level as an equipotential gravitational surface (see Geodetic datum § Vert ...

of 11,000 feet. Other plants in the habitat include its close relative, '' Potentilla concinna''.

References

{{Taxonbar, from=Q7234841 angelliae Flora of Utah Plants described in 1987