Utah Species Field Guide | Utah Natural Heritage Program
Utah Species Field Guide Utah Species Field Guide
Arapien Stick-leaf (Mentzelia argillosa)

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Photo by Ava Brinkley; Ava Brinkley

Arapien Stick-leaf

Arapien Stick-leaf (Mentzelia argillosa)

Photo by Ava Brinkley; Ava Brinkley

Mentzelia argillosa

NatureServe conservation status

Global (G-rank): G1G2
State (S-rank): S1S2

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Phenology

This species flowers between June and July. Most collections of flowering plants were made in late June and Early July. 

Species range

The range for this species is Sanpete and Sevier Counties, Utah. It is approximately 20 miles long by 4 miles wide. Some specimens that were found in Colorado were misapplied to M. argillosa, but instead belong in M. rhizomata. There are some reported but unconfirmed occurrences in Lincoln County, Nevada.

Threats or limiting factors

The plant is threatened by mining, recreation, drought, invasive plant species, energy development and road maintainence (URPD 2025).

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Multicellular organisms that are autotrophic or make complex carbohydrates from basic constituents. Most use photosynthesis.

Flowering plants that produce seeds enclosed in an ovary

Multicellular organisms that develop from the fertilization of an egg by a sperm. Heterotrophic - obtain food by ingestion.

Have skulls and backbones.

Cold blooded, lay eggs on land

Have feathers and lay eggs

Invertebrates with an exoskeleton, jointed appendages, and segmented bodies

Animals having 3 pair of legs, 3 body sections, generally 1 or 2 pair of wings, 1 pair of antennae.

Soft bodied animals with an internal or external shell and a toothed tongue or radula. Have a mantle that lines and secretes the shell and a muscular foot that allows for movement.

Two hinged lateral shells and a wedged shaped "foot". Bivalves lack tentacles and a head.


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