Swainsona

Swainsona is a large genus of flowering plants native to Australasia. There are 85 species, all but one of which is endemic to Australia.

Swainsona
Swainsona villosa
Scientific classification
Kingdom:
(unranked):
(unranked):
(unranked):
Order:
Family:
Subfamily:
Tribe:
Subtribe:
Astragalinae
Genus:
Swainsona

Species

See text.

Synonyms
  • Cyclogyne Benth. ex Lindl.
  • Loxidium Vent.

A member of the family Fabaceae (legumes), it is most closely related to the New Zealand genera Montigena (scree pea), Clianthus (kakabeak), and Carmichaelia (New Zealand broom).[1]

Swainsona is named after English botanist Isaac Swainson.

A few species are known to produce swainsonine, a phytotoxin harmful to livestock (see Locoweed). In Australia, animals intoxicated with swainsonine are said to be pea struck.[2]

Selected species
  • Swainsona acuticarinata (A.T.Lee) Joy Thomps.
  • Swainsona adenophylla J.M.Black
  • Swainsona affinis (A.T.Lee) Joy Thomps.
  • Swainsona beasleyana F.Muell.
  • Swainsona behriana F.Muell. ex J.M.Black
  • Swainsona brachycarpa Benth.
  • Swainsona bracteata (Maiden & Betche) Joy Thomps.
  • Swainsona burkei F.Muell. ex Benth.
  • Swainsona burkittii F.Muell. ex Benth.
  • Swainsona cadellii F.Muell. ex C.Moore & Betche
  • Swainsona calcicola Joy Thomps.
  • Swainsona campestris J.M.Black
  • Swainsona campylantha F.Muell.
  • Swainsona canescens (Benth.) F.Muell.
  • Swainsona colutoides F.Muell.
  • Swainsona complanata Joy Thomps.
  • Swainsona concinna F.M.Bailey
  • Swainsona cornuta Joy Thomps.
  • Swainsona coronillifolia Salisb.
  • Swainsona cyclocarpa F.Muell.
  • Swainsona decurrens A.T.Lee
  • Swainsona dictyocarpa J.M.Black
  • Swainsona disjuncta Joy Thomps.
  • Swainsona ecallosa Sprague
  • Swainsona elegans A.T.Lee
  • Swainsona elegantoides (A.T.Lee) Joy Thomps.
  • Swainsona eremaea Joy Thomps.
  • Swainsona extrajacens Joy Thomps.
  • Swainsona fissimontana J.M.Black
  • Swainsona flavicarinata J.M.Black
  • Swainsona formosa (G. Don) Joy Thomps. – Sturt's Desert Pea
  • Swainsona forrestii F.Muell. ex A.T.Lee
  • Swainsona fragilis F.M.Bailey
  • Swainsona fraseri Benth.
  • Swainsona fuscoviridis Joy Thomps.
  • Swainsona galegifolia (Andrews) R.Br.
  • Swainsona gracilis Benth.
  • Swainsona greyana Lindl.
  • Swainsona halophila Joy Thomps.
  • Swainsona incei W.R.Price
  • Swainsona kingii F.Muell.
  • Swainsona lessertiifolia DC.
  • Swainsona procumbens (F.Muell.) F.Muell.

References

  1. Wagstaff, Steven J.; Peter B. Heenan; Michael J. Sanderson (1999). "Classification, origins, and patterns of diversification in New Zealand Carmichaelia (Fabaceae)". American Journal of Botany. American Journal of Botany, Vol. 86, No. 9. 86 (9): 1346–1356. doi:10.2307/2656781. JSTOR 2656781. PMID 10487821. Retrieved 2008-07-26.
  2. "THE DARLING PEA". The Sydney Morning Herald. National Library of Australia. 14 May 1897. p. 5. Retrieved 16 May 2014.
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