| Matricaria occidentalis | |
|---|---|
| |
| 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 | |
|
Chamomilla occidentalis Greene | |
Matricaria occidentalis, commonly known as valley mayweed, is an annual plant native to North America. It is in the family Asteraceae.
Description
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. It is extremely similar to pineapple weed.
Distribution and habitat
Usually occurs in wetlands, but occasionally found in non wetlands. It is native to California and Oregon.
References
- ^ NRCS. "Matricaria occidentalis". PLANTS Database. United States Department of Agriculture (USDA). 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.
{{cite web}}: CS1 maint: numeric names: authors list (link) - "Matricaria occidentalis in Flora of North America @ efloras.org". www.efloras.org.
External links
- USDA Plants Profile for Matricaria occidentalis (Valley mayweed)
- Jepson eFlora Taxon page for Matricaria occidentalis
- Calflora Taxon Report for Matricaria occidentalis
| Taxon identifiers | |
|---|---|
| Matricaria occidentalis |
|