Acmispon americanus

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Acmispon americanus
Acmispon americanus var americanus.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Genus: Acmispon
Species:
A. americanus
Binomial name
Acmispon americanus
Synonyms
  • Lotus purshianusClem. & E.G. Clem. [2]
  • Lotus unifoliolatus(Hook.) Benth. [3] [4]

Acmispon americanus, known by the common names American bird's-foot trefoil [5] and Spanish clover, is a species of legume native to most habitats of California, the Western United States, Western Canada, and northern Mexico.

Contents

Description

The plant is an upright hairy annual, growing to 25 cm. The flowers (to 6mm) are pale pink to cream.

Subspecies

Acmispon americanus is often discussed as comprising several varieties, including:

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<i>Acmispon cytisoides</i> Species of legume

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<i>Acmispon dendroideus</i> Species of legume

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Acmispon junceus, synonyms Lotus junceus and Syrmatium junceum, is a species of legume native to California. It is known by the common names rush broom and rush deervetch. It is endemic to California, where it is known from the northern and central coast and the coastal mountain ranges. It can be found from beaches inland to serpentine slopes and chaparral. It is a hairy, prostrate or spreading perennial herb lined with leaves each made up of small oval leaflets. The inflorescence bears up 8 yellow pealike flowers each up to about a centimeter long. The fruit is a small beaked legume pod.

<i>Acmispon maritimus</i> Species of legume

Acmispon maritimus, synonym Lotus salsuginosus, is a species of legume native to Arizona, California and northwestern Mexico. It is known by the common name coastal bird's-foot trefoil. It grows in many types of mountain, desert, and scrub habitat, not necessarily near the coast. It is an annual herb quite variable in morphology, from petite to bushy, hairless to roughly hairy, and prostrate to erect in form. The slender stems are lined with leaves each made up of pairs of leaflets variable in shape and size. The inflorescence is a small array of 1 to 4 yellow flowers, each up to a centimeter long or so. The elongated flower corolla emerges from a tubular calyx of sepals. The fruit is a legume pod up to 3 centimeters long. Laboratory studies have shown this species, which occurs in wildfire-prone habitat such as chaparral, to have an increased rate of seed germination after exposure to heat.

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<i>Orobanche californica</i> Species of flowering plant

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<i>Acmispon</i> Genus of legumes

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 the globally distributed genus Lotus. The former genus Syrmatium is included in Acmispon. The Jepson eFlora accepts only Acmispon.

<i>Acmispon rigidus</i> Species of legume

Acmispon rigidus, synonyms Lotus rigidus and Ottleya rigida, is a flowering plant in the pea family (Fabaceae), native to the southwestern United States and northwestern Mexico. It is known as shrubby deervetch or desert rock-pea. It is found in the Mojave Desert and Sonoran Desert.

<i>Acmispon strigosus</i> Species of legume

Acmispon strigosus, synonyms Lotus strigosus and Ottleya strigosa, is a flowering plant in the pea family (Fabaceae), native to the southwestern United States and northern Mexico. It is known as stiff-haired lotus or strigose bird's-foot trefoil.

<i>Brickellia microphylla</i> Species of flowering plant

Brickellia microphylla, the littleleaf brickellbush, is a flowering plant species in the family Asteraceae native to western North America.

References

  1. TJM2
  2. JM93
  3. Integrated Taxonomic Information System (ITIS) (https://www.itis.gov) 6.23.2013
  4. USDA . accessed 8.2.2013
  5. USDA, NRCS (n.d.). "Lotus unifoliolatus". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 23 June 2015.
  6. CalFlora Database: Acmispon americanus var. americanus
  7. Jepson eFlora: Acmispon americanus var. americanus