Stephanomeria exigua

Stephanomeria exigua
ssp. exigua
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Genus: Stephanomeria
Species: S. exigua
Binomial name
Stephanomeria exigua
Nutt.

Stephanomeria exigua, the small wirelettuce,[1] is a perennial or biennial plant native to the western United States. It is thought to be the parent species of Stephanomeria malheurensis (Malheur wirelettuce), an endangered plant species found only in southern Oregon. It generally blooms from mid-spring to late summer and produces small, light pink or light purple blooms.[2]

Distribution and Range

Stephanomeria exigua is native to the arid regions of Arizona, California, Colorado, Idaho, New Mexico, Nevada, Oregon, Texas and Wyoming, as well as New York.

There are 17 related species of Stephanomeria according to the US Department of Agriculture, including S. runcinata, S. cichoriacea, and S. elata. There are also 5 sub-species of S. exigua, S. exigua carotifera, S. exigua coronaria, S. exigua deanei, S. exigua exigua, and S. exigua macrocarpa All are native to the western United States and parts of western Canada, except one that is found in New York state.[1]

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References

This article is issued from Wikipedia - version of the 9/17/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.