Matricaria occidentalis

Matricaria occidentalis
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Tribe: Anthemideae
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

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