CPC Plant Profile: Sun-loving Meadowrue
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Plant Profile

Sun-loving Meadowrue (Thalictrum heliophilum)

Full view of several plants in native habitat. Note the open, divided foliage. Photo Credit: Susan Spackman
Description
  • Global Rank: G2 - Imperiled
  • Legal Status: N/A
  • Family: Ranunculaceae
  • State: CO
  • Nature Serve ID: 138829
  • Date Inducted in National Collection: 02/10/1987

In contrast to the habitat of the more common meadowrues, the sun-loving meadowrue prefers the intensely hot and dry shale slopes of Colorado's Piceance Basin. Thalictrum heliophilum is dioecious, and therefore male and female flowers are found are separate plants. Future oil shale development in Western Colorado and Utah could threaten this species.

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Updates
  • 09/30/2020
  • Propagation Research

Denver Botanic Gardens has performed germination and growth tests. This species is currently part of the Endangered Species Garden.

  • 09/30/2020
  • Living Collection

Denver Botanic Gardens has performed germination and growth tests. This species is currently part of the Endangered Species Garden.

Nature Serve Biotics
  • 05/02/2017

18 known occurrences; less than 200,000 individuals. Oil shale mining and oil and gas development threaten the habitat of this species throughout its range.

Thomas Grant
  • 01/01/2010

Massive habitat degradation due to oil shale development in the Piceance Basin (O'Kane1987, 1988, Scheck 1994).

Thomas Grant
  • 01/01/2010

36 known occurrences. (O'Kane 1987)

Thomas Grant
  • 01/01/2010

Denver Botanic Gardens has performed germination and growth tests. This species is currently part of the Endangered Species Garden.

Thomas Grant
  • 01/01/2010

A formal, centralized plan has not been developed.

Thomas Grant
  • 01/01/2010

All aspects of this species ecology need to be studied.

Thomas Grant
  • 01/01/2010

Seed Collection and Banking.

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Photos
Nomenclature
Taxon Thalictrum heliophilum
Authority Wilken & DeMott
Family Ranunculaceae
CPC Number 4266
ITIS 195025
USDA THHE2
Common Names sun-loving meadowrue | Cathedral Bluff meadow-rue
Associated Scientific Names Thalictrum heliophilum
Distribution Colorado endemic (Garfield, Mesa, and Rio Blanco Cos.). (Spackman 1997)
State Rank
State State Rank
Colorado S2
Habitat

T. heliophilum is found on sparsely vegetated, dry shale talus slopes of the Green River Formation at elevations of 6300-8800 ft. (Spackman et al. 1997).

Ecological Relationships

Ecological relationships are largely unknown.

Pollinators
Common Name Name in Text Association Type Source InteractionID
Reintroduction
Lead Institution State Reintroduction Type Year of First Outplanting

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