Sonoran Desert Naturalist >>> Field Guide >>> Sonoran Desert Flora >>> Asteraceae >>> Brickellia coulteri

Coulter's Brickell Bush

Brickellia coulteri

 

Pen & Ink by Michael Plagens

Illustrated from a specimen found at Organ Pipe Cactus National Monument, Pima County, Arizona on 26 April 1992.

ACHENE:The numerous, small, inconspicuous flower heads of Brickell Bush usually go unnoticed until the heads mature into puffballs resembling smaller versions of dandelion heads.

PAPPUS: Numerous white capillary bristles.

SHRUB: A smallish shrub with thin, slightly woody stems. The whole plant frequently dies back to the crown when conditions are severe.

FLOWERS: The phylaries barely open, exposing just the tips of the whitish disc flowers. The small arrow-shaped leaves are a good identifying characteristic.

RANGE: Very common in the shade of wash bank trees or the north side of large boulders and mountain ridges.

UNARMED.

There are many species of Brickellia besides B. coulteri; All have rather small flower heads, with no rays, rather colorless disc flowers, and a pappus of white, fluffy capillary bristles. The main differences are the size, shape and texture of the leaves. All seem to have the habit of growing in partial shade near cliffs or wash banks.

Asteraceae -- Sunflower Family

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Copyright Michael J. Plagens, 1999-2008