Brickellia microphylla, the littleleaf brickellbush, is a flowering plant species in the family Asteraceae native to western North America.Calflora taxon report, University of California, Brickellia microphylla (Nutt.) A. Gray, little leaved brickellia, littleleaf brickellbush Jepson Manual eFlora (TJM2) treatment of Brickellia microphylla
Distribution and habitat The plant is widespread across much of the Western United States and Northwestern Mexico. It is found from California and Baja California east to New Mexico and Colorado, and north to Washington, Idaho, and Wyoming.Biota of North America Program 2014 county distribution mapTurner, B. L. 1997. The Comps of Mexico: A systematic account of the family Asteraceae, vol. 1 – Eupatorieae. Phytologia Memirs 11: i–iv, 1–272
Brickellia microphylla var. scabra has a more eastern and southern distribution in the species' range, and grades into Brickellia microphylla var. microphylla in southern and central Utah and eastern California.
Description Brickellia microphylla is a shrub in size.
It produces many small, pale yellow flower heads pale yellow, often purple-tinged. They are often clumped together at the ends of branches.Flora of North America Brickellia microphylla (Nuttall) A. Gray The bloom period is July to October.
Varieties Varieties, which can intergrade, include: Brickellia microphylla var. microphylla — Littleleaf brickellbush, native to California, Baja California (México), Arizona, Colorado, Idaho, Nevada, Oregon, Utah, Washington, and Wyoming. Calflora: Brickellia microphylla var. microphylla Brickellia microphylla var. scabra A.Gray — Rough brickellbush, native to southeastern California, Baja California, Arizona, Colorado, Nevada, New Mexico, Sonora (México), Utah, and Wyoming.Calflora: Brickellia microphylla var. scabra Brickellia microphylla var. watsonii — Watson's brickellbush, native to southeastern California, Arizona, Nevada, Utah. USDA Plants: Brickellia microphylla var. watsonii
References
External links Calflora Database: Brickellia microphylla (Little leaved brickellia, Littleleaf brickellbush) Jepson Manual eFlora (TJM2) treatment of Brickellia microphylla USDA Plants Profile for Brickellia microphylla (littleleaf brickellbush) UC CalPhotos gallery of Brickellia microphylla