CPC Plant Profile: Tiehm's Blazingstar
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Plant Profile

Tiehm's Blazingstar (Mentzelia tiehmii)

Flowers of Mentzelia tiehmii Photo Credit: Sarah Kulpa
  • Global Rank: G1 - Critically Imperiled
  • Legal Status: N/A
  • Family: Loasaceae
  • State: NV
  • Nature Serve ID: 638279
  • Date Inducted in National Collection: 12/01/2021

Mentzelia tiehmii is endemic to Nevada and co-occurs with Frasera gypsicola on gypsum spring mounds in the White River Valley. It is a multi-stemmed sub-shrub that originates from a woody taproot and gets up to one foot tall. Herbage is densely pubescent, stems are white, and the flowers are yellow. It flowers from late June to early September. The flowers open in late afternoon and close before daybreak (Holmgren and Holmgren, 2002). It does not have a federal status.

Participating Institutions
Nature Serve Biotics
  • 05/02/2017

Rita Dodge
  • 01/01/2010

Road development Livestock trampling OHVs

Rita Dodge
  • 01/01/2010

There are 7 known populations and an unknown number of individuals.

Rita Dodge
  • 01/01/2010

New Mentzelias (Loasaceae) from the Intermountain Region of Western United States. By, Holmgren and Holmgren 2002

Rita Dodge
  • 01/01/2010


Rita Dodge
  • 01/01/2010

Ex-situ conservation Propagation protocol development Habitat protection Reintroduction research Continued monitoring of current populations

Rita Dodge
  • 01/01/2010

Seed conservation Propogation protocol development Reintroduction research


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Taxon Mentzelia tiehmii
Authority N.H. Holmgren & P.K. Holmgren
Family Loasaceae
CPC Number 44657
ITIS 895243
Common Names Tiehm's blazing star
Associated Scientific Names Mentzelia tiehmii
Distribution Nye and Lincoln Counties in Nevada.
State Rank
State State Rank
Nevada S1S2

Co-occurs with Frasera gypsicola on gypsum spring mounds in the White River Valley in Nevada.

Ecological Relationships


Common Name Name in Text Association Type Source InteractionID

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