Acmispon prostratus, synonyms Lotus nuttallianus and Syrmatium prostratum, is a species of legume native to California and northwestern Mexico.[2][3] It is known by the common names beach lotus, Nuttall's lotus, and wire bird's-foot trefoil. It is native to Baja California and just into San Diego County, California, where it is a resident of coastal habitats, such as beaches and bluffs.

This article includes a list of general references, but it lacks sufficient corresponding inline citations. (February 2018)

Acmispon prostratus
Conservation status
Critically Imperiled  (NatureServe)[1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Fabales
Family:	Fabaceae
Subfamily:	Faboideae
Genus:	Acmispon
Species:	A. prostratus
Binomial name
Acmispon prostratus (Nutt.) Brouillet[2]
Synonyms[2]
Hosackia palmeri Vasey & Rose Hosackia prostrata Nutt. Lotus nuttallianus Greene Lotus prostratus L. Syrmatium prostratum (Torr. & A.Gray) Brouillet

It is a rare plant of the highly developed coastline in and around the city of San Diego, where threatened populations are known at Mission Bay,[4] the Silver Strand and Imperial Beach.[5]

This is an annual herb lined with leaves made up of oval leaflets one half to one centimeter long. The inflorescence bears 3 to 8 red and yellow flowers each about a centimeter in length. The fruit is a slender, curved legume pod containing usually 2 small beanlike seeds.

References

• Jepson Manual Treatment
• USDA Plants Profile

External links

• Photo gallery

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