Acmispon rigidus, synonyms Lotus rigidus and Ottleya rigida, is a flowering plant in the pea family (Fabaceae), native to the southwestern United States and northwestern Mexico.[1] It is known as shrubby deervetch[2] or desert rock-pea. It is found in the Mojave Desert and Sonoran Desert.[3][4]
| Acmispon rigidus | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Subfamily: | Faboideae |
| Genus: | Acmispon |
| Species: | A. rigidus
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| Binomial name | |
| Acmispon rigidus (Benth.) Brouillet (2008)
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| Synonyms[1] | |
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Description
editIt is a perennial herbaceous plant growing to 0.5–1.5 m tall. The leaves are irregularly pinnate or palmate with three or five leaflets, 5–17 mm long. The flowers are yellow to cream, turning red or purple as they age.[5]
Distribution and habitat
editAcmispon rigidus is found in the southwestern United States (Arizona, California, Nevada and Utah) and in northwestern Mexico.[1] It occurs in the Mojave Desert north to Inyo County, California, and in the Sonoran Desert south to the Baja California Peninsula.[3] It is found on dry slopes and desert dry washes below 6,000 ft above sea level, in Joshua tree woodland, and in pinyon-juniper woodland plant communities.[3]
References
edit- ^ a b c "Acmispon rigidus (Benth.) Brouillet", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 13 September 2023
- ^ NRCS. "Lotus rigidus". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 23 June 2015.
- ^ a b c Mojave Desert Wildflowers, Pam MacKay, 2nd Ed. 2013, p. 232
- ^ Mojave Desert Wildflowers, Jon Mark Stewart, 1998, pg. 72
- ^ Acmispon rigidus (Benth.) Brouillet. Jepson eFlora, The Jepson Herbarium. Retrieved 13 September 2023.
External links
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