CPC Plant Profile: Troublesome Phacelia
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Plant Profile

Troublesome Phacelia (Phacelia gina-glenneae)

Description
  • Global Rank: G1 - Critically Imperiled
  • Legal Status: N/A
  • Family: Hydrophyllaceae
  • State: CO
  • Nature Serve ID: 941899
  • Date Inducted in National Collection:

Phacelia gina-glenneae is an annual in the waterleaf family. It can range from 5-12 cm high by 2-10 cm wide. Stems can be solitary or branching from the base. The flowers are pink to purple and cluster in a terminal cyme. Light green leaves are irregularly lobed to pinnatifid. P. gina-glenneae is a recently described species (Atwood & Welsh 2013), known from only one location in Grand County, Colorado. Gina Glenne discovered the species when she noticed that it had different morphological characteristics than other Phacelia species. Genetic analyses conducted by Denver Botanic Gardens (in prep for publication) confirmed P. gina-glenneae as a separate species from the geographically and morphologically similar species, P. formosula. The one population of P. gina-glenneae is relatively small (number of individuals has not yet been determined) and occurs alongside a population of Penstemon penlandii, a federally listed forb known from only two locations.  

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Updates
  • 10/13/2020
  • Genetic Research

This species was part of a genetic analysis to characterize the genetic diversity and structure of the Phacelia genus (Riser et al. 2017).

  • 10/13/2020
  • Orthodox Seed Banking

Seed was collected in 2017 and is stored at Denver Botanic Gardens and the National Laboratory for Genetic Resources Preservation

  • 10/13/2020
  • Orthodox Seed Banking

Seed was collected in 2017 and is stored at Denver Botanic Gardens and the National Laboratory for Genetic Resources Preservation.

  • 10/13/2020
  • Seed Collection

Seed was collected in 2017 and is stored at Denver Botanic Gardens and the National Laboratory for Genetic Resources Preservation.

Alexandra Seglias
  • 12/13/2017

Seed was collected in 2017 and is stored at Denver Botanic Gardens and the National Laboratory for Genetic Resources Preservation.

Alexandra Seglias
  • 12/13/2017

Primary threats include livestock trampling and energy development.

Alexandra Seglias
  • 12/13/2017

The type locality is the only known population at this time.

Alexandra Seglias
  • 12/13/2017

This species was part of a genetic analysis to characterize the genetic diversity and structure of the Phacelia genus (Riser et al. 2017).

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Photos
Nomenclature
Taxon Phacelia gina-glenneae
Authority Atwood & Welsh 2013
Family Hydrophyllaceae
CPC Number 93557
ITIS
USDA PHGI3
Common Names Gina's phacelia
Associated Scientific Names Phacelia gina-glenneae
Distribution Known from only one location in Grand County, near Kremmling, Colorado. 
State Rank
State State Rank
Colorado S1
Habitat

Occurs on tan-colored shale/clay substrates. Associated species include Astragalus kentrophyta, Chrysothamnus, Artemisia tridentata, and Purshia tridentata (Atwood & Welsh 2013).

Ecological Relationships

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

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