Astragalus miguelensis
Encyclopedia
Astragalus miguelensis is a rare species of milkvetch
Astragalus
Astragalus is a large genus of about 3,000 species of herbs and small shrubs, belonging to the legume family Fabaceae, subfamily Faboideae. The genus is native to temperate regions of the Northern Hemisphere...

 known by the common name San Miguel milkvetch. It is endemic to five of the eight Channel Islands of California
Channel Islands of California
The Channel Islands of California are a chain of eight islands located in the Pacific Ocean off the coast of Southern California along the Santa Barbara Channel in the United States of America...

. This is a mat-forming perennial herb growing in wide, thick patches on rocky seaside bluffs and beaches. The abundant leaves are up to 12 centimeters long and are made up of many woolly oval-shaped leaflets. The inflorescence
Inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Strictly, it is the part of the shoot of seed plants where flowers are formed and which is accordingly modified...

 bears up to 30 white to yellowish flowers, each between one and two centimeters long. The fruit is an inflated legume pod drying to a papery texture. It is up to about 2.5 centimeters in length.

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