Senecio pinnatifolius
Encyclopedia
Senecio pinnatifolius is a species of herb native to Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

. Common names include Coast Groundsel.

Taxonomy

The name Senecio pinnatifolius was first published by Achille Richard
Achille Richard
Achille Richard was a French botanist and physician .He was son of a notable botanist, Louis-Claude Marie Richard .Pharmacist in the French fleet and member of several well-known societies of their time....

 in 1834, but it was not immediately taken up. Instead, the species was long treated as the Australian component of S. lautus. In 1969, the Australian members of S. lautus were recognised as a distinct species, and the name S. pinnatifolius was reinstated.

The infraspecific taxonomy of the species is complicated and in a state of flux. A number of subspecies and varieties have been published, but these have long been recognised as not accurately reflecting variation within the species. In 2004 a thorough study of the species found ten variants, but did not publish names for them because further nomenclatural work was required for this. The following year a new revision, was published, in which the following varieties were recognised:
  • S. pinnatifolius var. alpinus (Highland Groundsel)
  • S. pinnatifolius var. capillifolius (Fineleaf Coast Groundsel)
  • S. pinnatifolius var. lanceolatus (Lanceleaf Coast Groundsel)
  • S. pinnatifolius var. latilobus
  • S. pinnatifolius var. laucocarpus
  • S. pinnatifolius var. maritimus (Western Coast Groundsel)
  • S. pinnatifolius var. pinnatifolius (Common Coast Groundsel)
  • S. pinnatifolius var. serratus
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