Asteraceae

Spineless horsebrush

Tetradymia canescens DC.

Family: Asteraceae
Genus: Tetradymia

Pet and kid safety: not checked yet. Check pet-safe plants

Spineless horsebrush: Tetradymia canescens in open area 100 m SW of the junction of 157 and 158, Kyle Canyon, Spring Mountains, southern Nevada — Photo: Stan Shebs, CC BY-SA 3.0, from Wikimedia Commons

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Common names

By language (2)

English: Spineless horsebrush, Gray horse-brush, Gray horsebrush, Spineless horse-brush
nv: Chʼį́įdiichʼil

Synonyms

Tetradymia canescens var. canescens
Tetradymia canescens var. inermis (Rydb.) Payson
Tetradymia inermis Nutt.

Flowers

Flower colour: yellow (USDA PLANTS Database)

Characteristics

Growth habit: Shrub, Subshrub
Lifespan: Perennial
In the US and Canada: Canada: native, Lower 48 states: native

Toxicity: Severe, as listed by the USDA PLANTS Database (2025-05-29). USDA rates how toxic a plant is to people or livestock; it is not a pet-safety rating, so ask a vet or poison line if a pet or child ate it.

Photos

Photo: Stan Shebs, CC BY-SA 3.0, from Wikimedia Commons
Photo: Farzin B, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: mb20, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: Dan Haynes, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: Erika Mittermaier, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: Susan Graham, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: annette annette, CC BY-SA 4.0, from Pl@ntNet via GBIF

More in Tetradymia

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.