Lotus_rigidus

<i>Acmispon rigidus</i>

Acmispon rigidus

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.[1] It is known as shrubby deervetch[2] or desert rock-pea. It is found in the Mojave Desert and Sonoran Desert.[3][4]

Quick Facts Acmispon rigidus, Scientific classification ...

Description

It is a perennial herbaceous plant growing to 0.5–1.5 m tall. The leaves are irregularly pinnate or palmate with three or five leaflets, 5–17 mm long. The flowers are yellow to cream, turning red or purple as they age.[5]

Distribution and habitat

Acmispon rigidus is found in the southwestern United States (Arizona, California, Nevada and Utah) and in northwestern Mexico.[1] It occurs in the Mojave Desert north to Inyo County, California, and in the Sonoran Desert south to the Baja California Peninsula.[3] It is found on dry slopes and desert dry washes below 6,000 ft above sea level, in Joshua tree woodland, and in pinyon-juniper woodland plant communities.[3]

References

  1. [1]
    "Acmispon rigidus (Benth.) Brouillet", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 13 September 2023
  2. [2]
    USDA, NRCS (n.d.). "Lotus rigidus". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 23 June 2015.
  3. [3]
    Mojave Desert Wildflowers, Pam MacKay, 2nd Ed. 2013, p. 232
  4. [4]
    Mojave Desert Wildflowers, Jon Mark Stewart, 1998, pg. 72
  5. [5]
    Acmispon rigidus (Benth.) Brouillet. Jepson eFlora, The Jepson Herbarium. Retrieved 13 September 2023.
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