Matricaria occidentalis
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| Matricaria occidentalis | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Matricaria |
| Species: | M. occidentalis
|
| Binomial name | |
| Matricaria occidentalis (Greene) Rydb.
| |
| Synonyms[1][2] | |
|
Chamomilla occidentalis Greene | |
Matricaria occidentalis, commonly known as valley mayweed,[1] is an annual plant native to North America. It is in the family Asteraceae.
Description[edit]
The stem is either branching or below the corymbose summit. It is 15–45 cm (5.9–17.7 in) high; not strongly scented; heads as much as 1.5 cm (0.59 in) in diameter, conical in shape and greenish yellow in color; achenes are sharply angled. It is used as substitute for chamomile.
Distribution and habitat[edit]
Usually occurs in wetlands, but occasionally found in non wetlands. It is native to California and Oregon.[3]
References[edit]
- ^ a b USDA, NRCS (n.d.). "Matricaria occidentalis". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 2016-11-09.
- ^ The Jepson Online Interchange for California Floristics − Jepson eFlora (TJM2) (2010). "Taxon: Matricaria occidentalis Greene". Taxonomy for Plants. University of California, Berkeley. Retrieved 2016-11-09.
- ^ "Matricaria occidentalis in Flora of North America @ efloras.org". www.efloras.org.