''Acmispon heermannii'' (formerly '' Lotus heermannii'') is a species of

legume A legume () is a plant in the family Fabaceae (or Leguminosae), or the fruit or seed of such a plant. When used as a dry grain, the seed is also called a pulse. Legumes are grown agriculturally, primarily for human consumption, for livestock f ...

(

Fabaceae The Fabaceae or Leguminosae,International Code of Nomenc ...

) known by the common names Heermann's bird's-foot trefoil and Heermann's lotus. It is native to the coastal plains, canyons, and mountains of

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

and

Baja California Baja California (; 'Lower California'), officially the Free and Sovereign State of Baja California ( es, Estado Libre y Soberano de Baja California), is a state in Mexico. It is the northernmost and westernmost of the 32 federal entities of Mex ...

, where it is known from several types of oceanside and inland habitat. It is a mat-forming perennial herb spreading straight stems along the ground. It is lined with leaves made up of several hairy oval leaflets. The

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. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...

is a cluster of 3 to 8 flowers each up to about a centimeter long. The petals are yellow, often with dark lobes. The fruit is a curved, beaked

pod. The species was accepted by the Jepson eFlora , but regarded as the variety ''glabriusculus'' of ''

Acmispon tomentosus ''Acmispon'' is a genus of flowering plant in the family Fabaceae (legumes), native to North America and the west coast of Chile in South America. It includes several species of American bird's-foot trefoils and deervetches formerly contained in ...

'' by

Plants of the World Online Plants of the World Online (POWO) is an online database published by the Royal Botanic Gardens, Kew. It was launched in March 2017 with the ultimate aim being "to enable users to access information on all the world's known seed-bearing plants by ...

References

External links

Jepson Manual TreatmentUSDA Plants ProfilePhoto gallery
Acmispon heermannii, Wooly lotus (40989577204)

heermannii Flora of Baja California Flora of California Flora without expected TNC conservation status {{Loteae-stub