SafePlants

Dasylirion heteracanthum - Trans-Pecos Sotol

Dasylirion heteracanthum, commonly known as Trans-Pecos Sotol, is a perennial subshrub or shrub native to the Trans-Pecos region. It is a member of the plant family Liliaceae (though some sources list Agavaceae, which is an older classification). This plant is known for its drought tolerance and its presence in desert grasslands and rocky slopes.

Considerations for Pets

• Some sources mention that Dasylirion wheeleri (a related species) has leaves with stiff teeth along the edges. While this text does not describe the edges of Dasylirion heteracanthum leaves, it would be wise to check for sharp edges on the leaves, and be aware that they may pose a risk of physical injury to animals.
• This text mentions that sotol contains an abundance of styloid and raphide calcium oxalate crystals.

Considerations for Children

• Some sources mention that Dasylirion wheeleri (a related species) has leaves with stiff teeth along the edges. While this text does not describe the edges of Dasylirion heteracanthum leaves, it would be wise to check for sharp edges on the leaves, and be aware that they may pose a risk of physical injury to children.
• This text mentions that sotol contains an abundance of styloid and raphide calcium oxalate crystals.

Taxonomy and Nomenclature

• Scientific Name: Dasylirion heteracanthum I.M. Johnst.
• Common Names: Trans-Pecos Sotol
• Family: Liliaceae (sometimes listed as Agavaceae)
• Rank: Species
• Accepted Symbol: DAHE

Distribution and Habitat

• Primarily found in the Trans-Pecos region of Texas, particularly in areas like S. Brewster and Presidio counties.
• Also found in the eastern Trans-Pecos and the Hill Country.
• Grows in rocky slopes and desert grasslands.

Morphological Characteristics and Growth Habit

• Growth Habit: Subshrub, Shrub
• Duration: Perennial

Ecological Role

• Frequently found in the Sotol-Lechuguilla areas.
• Associated with other plants such as range ratany, cholla, fwing saltbush, mesquite, creosotebush, tarbush, and various succulents.

Traditional Uses

• Historically used by people in the Trans-Pecos region for making baskets, mats, and other supplies.
• The plant requires processing to make it edible.

Quirky Facts

• Sotol is also the name of a distilled spirit made from Dasylirion wheeleri (a different species of Sotol).
• The NICE (Natives Improve City Environments) pick for January includes the sotol genus (Dasylirion spp.).

Further Information

• Lady Bird Johnson Wildflower Center
• British Database of World Flora and Fauna
• USDA PLANTS Database