Brickellia atractyloides

Brickellia atractyloides
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Brickellia
Species:	B. atractyloides
Binomial name
Brickellia atractyloides A.Gray
Synonyms[1]
Coleosanthus atractylodes (A.Gray) Kuntze Coleosanthus venulosus Nelson

Brickellia atractyloides is a North American species of flowering plant in the family Asteraceae known by the common name spearleaf brickellbush.[2] It is native to the desert regions of the southwestern United States (Arizona, California, Nevada, Utah) and northwestern Mexico (Sonora, Baja California).[3][4]

Brickellia atractyloides is a shrub up to 50 cm (20 inches) tall. It produces many small flower heads with cream-colored or pale green disc florets but no ray florets.[5]

Varieties[5][1]

• Brickellia atractyloides var. atractyloides - Arizona, California, Colorado, Nevada, Utah
• Brickellia atractyloides var. odontolepis (B.L.Rob.) Jeps. - California, Baja California, Sonora

Flora of North America[5] lists a third variety, var. arguta, listed here as a distinct species, Brickellia arguta, as accepted by The Plant List.

References

1. The Plant List, Brickellia atractyloides A.Gray
2. Calflora taxon report, University of California, Brickellia atractyloides A. Gray, spear leaved brickellia, spearleaf brickellbush
3. Biota of North America Program 2014 county distribution map
4. Turner, B. L. 1997. The Comps of Mexico: A systematic account of the family Asteraceae, vol. 1 – Eupatorieae. Phytologia Memoirs 11: i–iv, 1–272
5. Flora of North America, Brickellia atractyloides A. Gray