Species Profile

False Rue-anemone

Scientific Name: Enemion biternatum
Other/Previous Names: Isopyrum biternatum
Taxonomy Group: Vascular Plants
COSEWIC Range: Ontario
COSEWIC Assessment Date and Status Change: May 2005
COSEWIC Status: Threatened
COSEWIC Status Criteria: Met criteria for Endangered, B1ab(iii)+2ab(iii), but designated Threatened because the populations appear stable and not at imminent risk of extirpation. Criteria met for Threatened: B1ab(iii)+2ab(iii); D2.
COSEWIC Reason for Designation: A delicate, spring-flowering, perennial herb restricted to a few fragmented riverside forest sites in southwestern Ontario where its populations are at risk from habitat loss and decline in quality due to a variety of activities including recreational trail use, and expansion of exotic invasive plants.
COSEWIC History of Status Designation: Designated Special Concern in April 1990. Status re-examined and designated Threatened in May 2005.
SARA Status: Schedule 1, Threatened
Date of Listing (yyyy-mm-dd): 2006-08-15

Please note that this information is provided for general information purposes only. For the most up to date and accurate list of species listed under the Species at Risk Act, please see the Justice Laws Website.

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Quick Links: | Photo | Description | Distribution and Population | Habitat | Biology | Threats | Protection | Recovery Initiatives | Recovery Team | National Recovery Program | Documents

Image of False Rue-anemone

False Rue-anemone Photo 1

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Description

False rue-anemone is a spring-flowering herbaceous perennial. The flowers are small and delicate, with 5 white petal-like sepals, surrounding a cluster of stamens with yellow anthers. The species grows to about 40 cm tall. Although its roots are shallow and slender, they are tough and hardy - sometimes to the extent of maintaining green leaves all winter. The thin leaves are mostly divided into three segments, each of which may be divided into three leaflets that are usually olive green in colour. The white flowers of false rue-anemone are among the earliest to open in spring, starting in April and extending through to early June. (Updated 2017/05/24)

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Distribution and Population

False rue-anemone occurs in Canada and the United States. This species is generally common throughout its main range but is quite rare at the northern and western edges of its range. In Canada, it occurs as scattered populations in southwestern Ontario. In the ten years since the last status report, one historical population of false rue-anemone has been relocated. No new populations have been discovered. Six populations are currently extant with about one million flowering shoots.(Updated 2017/05/24)

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Habitat

This species inhabits open wooded slopes, river floodplains, rich woods and thickets. (Updated 2017/05/24)

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Biology

In Canada, false rue-anemone flowers from April to early June, and bears fruit from May to June. Insects are the main pollinators. The seeds germinate in the autumn. (Updated 2017/05/24)

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Threats

In Canada, several populations of false rue-anemone are threatened by all terrain vehicle use, soil compaction, and trampling, due to their proximity to public areas and trails. Loss of habitat due to invasion of exotic grasses and other invasive plants, wood-cutting operations, soil erosion, and agricultural activities also pose a threat to Canadian populations of false rue-anemone. Spraying of herbicides and pesticides is also occurring to the detriment of these plants. Road salting may be a limiting factor for at least one Canadian population of false rue-anemone. (Updated 2017/05/24)

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Protection

Federal Protection

The False Rue-anemone is protected under the federal Species at Risk Act (SARA). More information about SARA, including how it protects individual species, is available in the Species at Risk Act: A Guide.

Provincial and Territorial Protection

To know if this species is protected by provincial or territorial laws, consult the provinces' and territories' websites.

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Recovery Initiatives

Status of Recovery Planning

Recovery Strategies :

Name Recovery Strategy for the False Rue-anemone (Enemion biternatum) in Canada
Status Final posting on SAR registry

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Recovery Team

Carolinian Woodland Plants Recovery Team

  • Jarmo Jalava - Chair/Contact - Other
    Phone: 705-760-2823  Send Email

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Documents

PLEASE NOTE: Not all COSEWIC reports are currently available on the SARA Public Registry. Most of the reports not yet available are status reports for species assessed by COSEWIC prior to May 2002. Other COSEWIC reports not yet available may include those species assessed as Extinct, Data Deficient or Not at Risk. In the meantime, they are available on request from the COSEWIC Secretariat.

8 record(s) found.

COSEWIC Status Reports

  • COSEWIC assessment and update status report on the False Rue-anemone Enemion biternatum in Canada (2005-08-12)

    False rue-anemone is a spring-flowering herbaceous perennial. The flowers are small and delicate, with 5 white petal-like sepals, surrounding a cluster of stamens with yellow anthers. The species grows to about 40 cm tall. Although its roots are shallow and slender, they are tough and hardy - sometimes to the extent of maintaining green leaves all winter. The thin leaves are mostly divided into three segments, each of which may be divided into three leaflets that are usually olive green in colour. The white flowers of false rue-anemone are among the earliest to open in spring, starting in April and extending through to early June.

Response Statements

  • Response Statements - False Rue-anemone (2005-11-15)

    A delicate, spring-flowering, perennial herb restricted to a few fragmented riverside forest sites in southwestern Ontario where its populations are at risk from habitat loss and decline in quality due to a variety of activities including recreational trail use, and expansion of exotic invasive plants.

Recovery Strategies

  • Recovery Strategy for the False Rue-anemone (Enemion biternatum) in Canada (2017-12-21)

    The Minister of Environment and Climate Change is the competent minister under SARA for the False Rue-anemone and has prepared this recovery strategy, as per section 37 of SARA. To the extent possible, it has been prepared in cooperation with the Ontario Ministry of Natural Resources and Forestry.

Orders

COSEWIC Annual Reports

  • COSEWIC Annual Report - 2005 (2005-08-12)

    2005 Annual Report to the Canadian Endangered Species Conservation Council (CESCC) from the Committee on the Status of Endangered Wildlife in Canada.

Consultation Documents

  • Consultation on Amending the List of Species Under the Species At Risk Act: November 2005 (2005-11-16)

    The Government of Canada proclaimed the Species at Risk Act (SARA) on June 5, 2003 as part of its strategy for the protection of wildlife species at risk. Attached to the Act is Schedule 1, the list of the species that receive protection under SARA, hereinafter referred to as the 'SARA list'. Canadians are invited to comment on whether all or some of the species included in this document should be added to the SARA list.

Recovery Document Posting Plans

  • Environment and Climate Change Canada's Three-Year Recovery Document Posting Plan (2016-07-06)

    Environment and Climate Change Canada’s Three-Year Recovery Document Posting Plan identifies the species for which recovery documents will be posted each fiscal year starting in 2014-2015. Posting this three year plan on the Species at Risk Public Registry is intended to provide transparency to partners, stakeholders, and the public about Environment and Climate Change Canada’s plan to develop and post these proposed recovery strategies and management plans. However, both the number of documents and the particular species that are posted in a given year may change slightly due to a variety of circumstances. Last update December 2, 2021
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