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]
| Stephanomeria exigua | |
|---|---|
| |
| Stephanomeria exigua subsp. exigua | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Stephanomeria |
| Species: | S. exigua
|
| Binomial name | |
| Stephanomeria exigua | |
Distribution and range
editStephanomeria exigua is native to the arid regions of Arizona, California, Colorado, Idaho, New Mexico, Nevada, Oregon, Texas, Utah and Wyoming, as well as New York.
Related taxa
editThere 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]
References
edit- ^ a b USDA, NRCS (n.d.). "Stephanomeria exigua". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 2 December 2015.
- ^ USFWS Species Fact Sheet Malheur wire-lettuce
External links
edit
Media related to Stephanomeria exigua at Wikimedia Commons- Jepson Manual Treatment
- Photo gallery
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