Matricaria occidentalis

Matricaria occidentalis
Scientific classification
Kingdom:	Plantae
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

Stem either branching or below the corymbose summit, 15-45(70)cm high; not strongly scented; heads as much as 1.5 cm in diameter, conical in shape and greenish yellow in color; achenes sharply angled. Used as substitute for chamomile.

Distribution

Usually occurs in wetlands, but occasionally found in non wetlands. It is native to California and Oregon.

References

1 2 "Matricaria occidentalis". Natural Resources Conservation Service PLANTS Database. 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.

External links

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[NRCS-1] 1 2 "Matricaria occidentalis". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 2016-11-09.

[TJM2-2] 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.