Yerba mansa (Anemopsis californica) is native to Arizona!
Yerba mansa is a fabulous plant to have in your living ecosystem Phoenix pond, waterfall, or stream. It's actually an Arizona native.
This plant displays showy white flowers which rise from a dense growth of dark green leaf clusters. The compact conic flower spike is very distinctive. Similar to the sunflower family, what appears to be a single bloom is really a dense cluster of individual small flowers when observed closely.
In nature, Yerba mansa is found in wet, usually alkaline, soils along streams and in wet meadows, often growing in large colonies, typically from 1,000-6,000 ft elevations.
Yerba typically flowers April-October.
Yerba mansa is well known for its medicinal uses, including external use on sores and burns, as disinfectant for cuts and scrapes, and as a wash for sore feet and muscles. It’s also used internally for stomach ulcers, colds, coughs, menstrual cramps, diabetes, gonorrhea, tuberculosis, and syphilis. It's been used as a laxative and an emetic, and the seeds are made into mush and eaten by Native Americans. It’s quite versatile!
The only caveat to cultivating Yerba mansa in your back yard pond or water feature is that you’ll have to keep it under control. It reproduces rapidly via red runners (rhizomes) that shoot out across the ground and the water, and can be quite prolific in the warmer months. It’s easy to thin, though, by just yanking some out, and having a serious talk with it about slowing it’s roll.
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