Acmispon grandiflorus

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Acmispon grandiflorus
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Genus: Acmispon
A. grandiflorus
Binomial name
Acmispon grandiflorus
(Benth.) Brouillet[1]
  • Anisolotus grandiflorus (Benth.) A.Heller
  • Hosackia anthylloides (A.Gray) Millsp.
  • Hosackia confinis (Greene) Brand
  • Hosackia grandiflora Benth.
  • Hosackia guadalupensis (Greene) Brand
  • Hosackia leucophaea (Greene) Abrams
  • Hosackia occulta Greene
  • Hosackia ochroleuca Nutt.
  • Lotus confinis Greene
  • Lotus grandiflorus (Benth.) Greene
  • Lotus guadalupensis Greene
  • Lotus leucophaeus Greene
  • Lotus macranthus Greene
  • Ottleya grandiflora (Benth.) D.D.Sokoloff

Acmispon grandiflorus, synonym Lotus grandiflorus, is a species of legume native to western North America.[1] It is known by the common name chaparral bird's-foot trefoil.

It is native to the west coast of North America from Washington to north-western Mexico,[1] including California and Baja California, where it is found in many mountainous areas in the chaparral and coniferous forests.


Acmispon grandiflorus is a perennial herb taking an erect to decumbent form. It is lined with leaves each made up of oval leaflets 1 to 2 centimeters long and hairy to hairless in texture.

The inflorescence is made up 3 to 9 pealike flowers which may approach three centimeters long. The flower varies in color from whitish to yellow to pink.

The fruit is a legume pod up to 6 centimeters long.


  1. ^ a b c d "Acmispon grandiflorus (Benth.) Brouillet", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 2018-02-05

External links[edit]