Lotus rubriflorus

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Lotus rubriflorus
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Tribe: Loteae
Genus: Lotus
Species: L. rubriflorus
Binomial name
Lotus rubriflorus
H.Sharsm.

Lotus rubriflorus is a rare species of legume known by the common name red-flowered bird's-foot trefoil. It is endemic to California, where it is known from only four occurrences with a disjunct distribution. 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.[1] The plant's habitat is grassland and woodland. 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.

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