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Ouachita false indigo

Scientific Name: Amorpha ouachitensis

Family: Fabaceae

Category: Dicot

Growth: Shrub

Duration: Perennial

Other Names:

       

Amorpha ouachitensis

Also known as Ouachita False Indigo, Ouachita Mountain Leadplant, or Ouachita Indigobush, Amorpha ouachitensis is a shrub endemic to the Ouachita Mountains of Arkansas and Oklahoma.

Taxonomy and Nomenclature

  • Family: Fabaceae (peas, legumes)
  • Genus: Amorpha L. (false indigo, indigobush)
  • Species: Amorpha ouachitensis Wilbur
  • Synonyms: Amorpha Ouachitensis (note capitalization difference)

Distribution and Habitat

  • Native to the United States.
  • Specifically found in the Ouachita Mountains of west-central Arkansas and southeastern Oklahoma.

Morphological Characteristics and Growth Habits

  • Amorpha ouachitensis is described as a medium-sized shrub.
  • It is a perennial, meaning it lives for more than two years.

Ecological Role

  • In southeastern Oklahoma, the Ouachita indigobush can be confused with Bastard indigo (A. fruticosa) and false indigo (A. nitens).

Additional Information

  • The plant is known to withstand very harsh temperatures and can be grown outdoors year-round.
  • It may need staking in windy climates.

Further Information

  • ARKive (reference to photos and facts)
  • Dave's Garden (gardening tips and ideas)
  • Discover Life (biology, natural history, ecology, identification, and distribution information)
  • Plantilla:Plantae Mundi/Fuentes/ITRE
  • Red Slough (Ouachita National Forest) - http://fs.usda.gov/goto/ouachita/redslough