Big-flowered Brickell Bush

Brickellia grandiflora

Big-flowered Brickell Bush, Brickellia grandiflora, © by Michael Plagens

Found in partial shade in deep alluvium alongside Madera Canyon, Sta. Rita Mts., Arizona, USA. 10 September 2010.

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Big-flowered Brickell Bush, Brickellia grandiflora, leaf, © by Michael Plagens
Big-flowered Brickell Bush, Brickellia grandiflora, leaf, © by Michael Plagens

SHRUB: Mostly herbaceous with woody material at crown and numerous flexible stems rising to a meter to a 1.5 meters.

FLOWERS: The name might seem a misnomer, but indeed most of the many species of Brickell bush in Arizona have much smaller flowers. This being a composite, what appears to be one flower is really many smaller flowers, or florets, gathered into heads. In this species the florets are creamy white and consist of only disc florets in nodding heads.

LEAVES: Leaves are triangular and coarsely serrated along the margins. They are opposite on the stems usually, but some are alternate.

RANGE: This and some very similar Brickellia ssp. with bigger leaves can be found in deep soil and often in the partial shade of canyon bottoms. This one is most common in the southern half of Arizona.

FRUIT: The disc florets each give rise to a seed with a long-bristled, white crown. The seeds are wind dispersed in a manner similar to those of dandelion.

UNARMED. Without thorns.

Asteraceae -- Sunflower Family

More Information:

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Arizona Naturalist
Sycamore Canyons
The Flora of Arizona's Sycamore Canyons


Copyright Michael J. Plagens, page created 31 October 2013