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Acmispon rubriflorus

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Acmispon rubriflorus
Herbarium specimen of "Acmispon rubriflorus"
Herbarium specimen of Acmispon rubriflorus

Imperiled  (NatureServe)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Genus: Acmispon
Species:
A. rubriflorus
Binomial name
Acmispon rubriflorus
(H.Sharsm.) D.D.Sokoloff[2]
Synonyms[2]
  • Lotus rubriflorus H.Sharsm.

Acmispon rubriflorus, synonym Lotus rubriflorus, is a species of legume endemic to California.[2] It is known by the common name red-flowered bird's-foot trefoil. It is known from only four occurrences with a disjunct distribution.

Location

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There are two occurrences in eastern Stanislaus County, California, near Mount Boardman, and the other two occurrences are in Colusa and Tehama Counties over 100 miles to the north.[3] The plant's habitat is grassland and woodland.

Description

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This is a petite annual herb spreading in a small patch on the ground. Its slender branches are lined with leaves each made up of about 4 hairy lance-shaped leaflets. Solitary magenta flowers appear in the leaf axils, each minute pea-shaped bloom just a few millimeters wide. The fruit is a hairy legume pod which may approach a centimeter in length.

References

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  1. ^ "NatureServe Explorer - Acmispon rubriflorus". NatureServe Explorer Acmispon rubriflorus. NatureServe. 2022-05-30. Retrieved 30 May 2022.
  2. ^ a b c "Acmispon rubriflorus (H.Sharsm.) D.D.Sokoloff", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 2018-02-06
  3. ^ California Native Plant Society Rare Plant Profile
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