Matricaria occidentalis

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Matricaria occidentalis
Scientific classification edit
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

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

Usually occurs in wetlands, but occasionally found in non wetlands. It is native to California and Oregon.[3]

References

  1. ^ 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.
  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.
  3. ^ "Matricaria occidentalis in Flora of North America @ efloras.org". www.efloras.org.

External links

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