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Prairie Fame-flower (Phemeranthus rugospermus)
Prairie Fame-flower (Phemeranthus rugospermus), a State Special Concern plant, is found in open, sandy prairies, barrens and in moss on exposed bedrock outcrops, often where there is little competition from other forbs. Blooming occurs late June through early August; fruiting occurs early July through early September. The optimal identification period for this species is early July through late August.
- Distinguishing characteristics: The leaves, which are entirely basal and succulent, distinguish this species from other species with pink, 5-parted flowers.
- Flower characteristics: Inflorescence 1 to 2 dm; flowers pinkish to deep rosey red, open in late afternoon only; petals 6 to 8 mm; stamens 10 to 25; style divided 1/4 to 1/3 its length into 3 linear stigmas.
- Fruit characteristics: 4 to 5 mm; seeds minutely roughened and strongly wrinkled, grey over black.
- Leaf characteristics: Leaves numerous, crowded, on a short stem, succulent, cylindrical, 3 to 8 cm.
- Blooming phenology: late June through early August
- Fruiting phenology: early July through early September
- Optimum time to identify: early July through late August
- Growth form: Forb-erect
- Vegetative reproduction:
- Life cycle: Perennial
- Comments: Associated Species: Pinus banksiana, Quercus ellipsoidalis, Selaginella rupestris, Arabis lyrata, Linaria canadensis.
Status and Natural Heritage Inventory documented occurrences in Wisconsin
The table below provides information about the protected status - state and federal - and the rank (S and G Ranks) for Prairie Fame-flower (Phemeranthus rugospermus). See the Working List Key for more information about abbreviations. Counties shaded blue have documented occurrences for this species in the Wisconsin Natural Heritage Inventory database. The map is provided as a general reference of where this species has been found to date and is not meant as a range map.
|Federal Status in Wisconsin||none|
|Tracked by NHI||Y|
Habitats and landscapes
The Natural Heritage Inventory has developed scores indicating the degree to which each of Wisconsin's rare plant species is associated with a particular natural community or ecological landscape. This information is similar to that found in the Wildlife Action Plan for animals. As this is a work in progress, we welcome your suggestions and feedback.
General habitat information
- Habitat description: Found in open, sandy prairies, barrens and in moss on exposed bedrock outcrops, often where there is little competition from other forbs.
- Soils: Thin, sandy soils over sandstone.
This table lists the natural communities that are associated with Prairie Fame-flower. Scores for natural community associations are: "significant" association (score=3), "moderate association" (score=2) or the species can be present but is only weakly associated with the community (score=1).
This table lists the ecological landscape association scores for Prairie Fame-flower. The scores (3=High, 2=Moderate, 1=Low, 0=None) also correspond to the map.
The Endangered Resources Program has developed avoidance measures and management guidelines for plants on the Natural Heritage Working List. These are a work in progress, and we welcome your suggestions and feedback. Sources used in developing this information can be found here.
These are specific actions designed to avoid "take" (mortality) of this species.
- Avoid known individual plant locations and conduct operations elsewhere when they are least likely to cause damage. Ideally, this would involve frozen, snow-covered ground. However, in areas of the state where frozen conditions are unreliable, very dry soils late in the growing season might be the best available alternative. Consult with a biologist, if needed.
- Avoid broadcast spraying of herbicides; use care with spot spraying.
- Avoid locating landings, staging areas, or access routes in open sandy areas dominated by native grasses.
Management guidelines are additional considerations that may help maintain or enhance habitat for this species
- Maintain low canopy cover areas for savanna and barrens plant species.
- Prescribed burns and/or brushing may be beneficial (dependent on local site conditions).
Links to additional Prairie Fame-flower information
Other links related to vascular plants (all exit the DNR website)
- Wisconsin Vascular Plants
- Freckmann Herbarium
- Atlas of Wisconsin Prairie and Savanna Flora - Wisconsin State Herbarium
- USDA - NRCS Plants Database
- USGS Midwestern Wetland Flora - field office guide to plant species
- Cofrin Center for Biodiversity Herbarium
- Intermountain Herbarium Grasses of North America
- Orchids of Wisconsin
Support for Wisconsin's rare plant information has been provided by the Division of Forestry, the Endangered Resources Fund and the Wisconsin Rare Plant Preservation Fund. To donate, visit the Natural Resources Foundation of Wisconsin.