Rahul Sharma


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Kingdom  Plantae
Rank  Genus
Family  Escalloniaceae
Order  Escalloniales
Polyosma httpsuploadwikimediaorgwikipediacommonsthu
Similar  Eremosyne, Polyosma cunninghamii, Escalloniaceae, Escalloniales, Forgesia

Polyosma is a genus of about 60 species of trees native to south-east Asia. They occur from China south through south-east Asia to the east coast of Australia, and also in New Caledonia.

Its taxonomic placement has long been uncertain: it was traditionally placed in Grossulariaceae, but in the APG II system it was given its own family, Polyosmaceae, which was unplaced as to order within the euasterids II (campanulids) clade. More recent research found Polyosmaceae to be a sister to the Escalloniaceae, so for simplicity's sake the Angiosperm Phylogeny Website now recommends the latter family be expanded to include this genus.

Species include:

  • Polyosma alangiacea F.Muell. – White Alder
  • Polyosma brachyandrum Domin
  • Polyosma brachystachys Schltr.
  • Polyosma cambodiana Gagnepain – dou xian mu
  • Polyosma comptonii Baker f.
  • Polyosma cunninghamii Benn.
  • Polyosma discolor Baill.
  • Polyosma hirsuta C.T.White – Alder
  • Polyosma integrifolia Blume
  • Polyosma leratii Guillaumin
  • Polyosma pancheri Baill.
  • Polyosma podophylla Schltr.
  • Polyosma reducta F.Muell.
  • Polyosma rhytophloia C.T.White & W.D.Francis
  • Polyosma rigidiuscula F.Muell. & F.M.Bailey
  • Polyosma spicata Baill.
  • References

    Polyosma Wikipedia

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