False Boneset
Brickellia eupatorioides
Found in partial shade in alluvium near Sycamore Creek, Mazatzal Mts., Maricopa Co., Arizona, USA. 22 May 2016.
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PERENNIAL: Mostly herbaceous with very little woody material at crown and several to many flexible stems
rising to a meter or so.
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 small, off-white and consist of only disc florets in erect heads. The pollen-laden stamens add yellow color.
LEAVES: Leaves are lance-shaped to linear (rather grass-like).
RANGE: This and similar Brickellia ssp. can be found
in deep soil and often in the partial shade of canyon bottoms. This one is common in
the foothills of central and southern Arizona, and also throughout much of the USA.
FRUIT: The disc florets each give rise to a seed with a long, slightly plumed bristles.
The seeds are wind dispersed in a manner similar to those of dandelion.
UNARMED. Without thorns.
Asteraceae -- Sunflower Family
More Information:
- Southwest Environmental Information Network
- Wikipedia
- USDA Plant Profile
- Google Images
- Google Scholar Literature Search