Species Factsheets

Filipendula rubra

Queen-of-the-prairie

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State Status: TU
PBS Status: Tenatively Undetermined (TU)
Federal Status:

Global Rank: G4G5 rank interpretation
State Rank: S1S2

Did You Know?

The root of this species is rich in tannin which can be used for treating diarrhoea, dysentery and bleeding.

Filipendula rubra

Description

Queen-of-the-prairie (Filipendula rubra) is a member of the rose family that spreads clonally by the growth of underground stems called rhizomes as well as reproducing sexually. Individual ramets, or members of a clone, grow from 1-2m tall; a single clone may spread over scores of square meters.

Rank Justification

Critically imperiled in the nation or state because of extreme rarity (often 5 or fewer occurrences) or because of some factor(s) such as very steep declines making it especially vulnerable to extirpation from the state.

Habitat

Queen-of-the-prairie grows mainly in fens, calcium-rich peat-producing wetlands, but clones may also be found in wet woodlands and grassland seeps.

Survey Dates

Flowers June - August

Distribution

Queen-of-the-prairie"

Threats

Queen-of-the-prairie is rare because its preferred habitat, fens, are generally rare. The species also suffers from potential reproductive limitations – some populations produce very little viable seed. This may be because queen-of-the-prairie populations are often composed of only a handful of clones, which reduces their genetic variability.

Management

Queen-of-the-prairie populations will benefit greatly from protection of their wetland habitats, which are often destroyed or fragmented by human development. Forest management practices can also be altered to allow more natural disturbances to create early successional habitat, and existing populations should be protected from collection, which may be a minor concern. Efforts to re-establish queen-of-the-prairie populations in unoccupied habitat should make use of seed or transplant material taken from a wide variety of parent clones to ensure that new populations will have sufficient genetic diversity to produce viable seed.

Conservation Status Map

Queen-of-the-prairie"

Map Legend

NatureServe. 2017. NatureServe Explorer: An online encyclopedia of life [web application]. Version 7.1. NatureServe, Arlington, Virginia. Available http://explorer.natureserve.org.

http://practicalplants.org/wiki/Filipendula_rubra

  • NatureServe. 2018. NatureServe Explorer: An online encyclopedia of life [web application]. Version 7.1. NatureServe, Arlington, Virginia. Available at http://www.natureserve.org/explorer
  • Pennsylvania Natural Heritage Program. 2018.
  • Rhoads, A.F. and W.M. Klein, Jr. 1993. The Vascular Flora of Pennsylvania. American Philosophical Society, Philadelphia, Pennsylvania. Rhoads, A.F. and T.A. Block.
  • 2007. The Plants of Pennsylvania: An Illustrated Manual. 2nd edition. University of Pennsylvania Press, Philadelphia, Pennsylvania.
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