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Crotalaria grahamiana

Scientific Name: Crotalaria grahamiana

Family: Fabaceae

Category: Dicot

Growth:

Duration:

Other Names:

       

Crotalaria grahamiana

Crotalaria grahamiana is a species of herbaceous plants and woody shrubs belonging to the family Fabaceae (Leguminosae).

Considerations for Pets

  • Crotalaria grahamiana and C. pallida were found in the pasture of a horse, and determined to be widespread on an island, suggesting the potential for ingestion by grazing animals.
  • Caution should be taken when harvesting the plants or seeds as the caterpillars of an orange butterfly can attack Crotalaria grahamiana.

Scientific Classification and Nomenclature

  • Accepted Scientific Name: Crotalaria grahamiana Wight & Arn.
  • Family: Fabaceae (Leguminosae)
  • Synonyms: None explicitly mentioned, but the text refers to "Crotalaria grahamiana Wight &amp Arn." repeatedly, emphasizing its accepted status.

Distribution and Habitat

  • Native to India.
  • Naturalized in Madagascar.
  • Found in urban creeks, especially where farms were previously the land use.

Ecological Role

  • Crotalaria grahamiana is a nitrogen fixer.
  • Considered a weed.
  • Identified as an invasive weed and a diversionary insect pest host.

Morphological Characteristics

  • Dense shrub, approximately 1 meter high.
  • Branches are silky.
  • Leaves are 5-7 foliolate, palmate.
  • Leaflets are obovate.
  • Seeds are brown-light, 4-7mm in length, smooth in sculpture, and reniform (kidney-shaped).

Traditional Uses

  • Used as a woody mulch around the base of fruit trees in Australia.
  • Used in short fallows for soil fertility improvement.

Cytological Information

  • A karyotypic study of Crotalaria grahamiana has been conducted.

Interactions with Other Organisms

  • Serves as a diversionary insect pest host.
  • Caterpillars of an orange butterfly can attack the plant.

Further Information

  • GRIN Taxonomy entry for Crotalaria grahamiana Wight &amp Arn.
  • Catalogue of Life entry for Crotalaria grahamiana Wight.
  • Information available from the Pacific Island Ecosystems at Risk project (PIER) at http://www.hear.org/pier/.
  • Searches can be conducted in The Plant List, IPNI, Australian Plant Name Index, and NYBG Virtual Herbarium.
  • Herbarium specimens available at the Muséum National d'Histoire Naturelle (P).