Dicksonia

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Dicksonia is a genus of tree ferns in the order Cyatheales. It is regarded as related to Cyathea, but is considered to retain more primitive traits, dating back at least to the Jurassic and Cretaceous periods. The fossil record includes stems, pinnules, and spores.

The genus contains 20–25 species, distributed from Mexico to Argentina, Brazil, Uruguay and Chile, St. Helena, New Zealand, New Caledonia, Australia, Indonesia, New Guinea, and the Philippines. New Guinea has the greatest diversity, with five species.

Species of Dicksonia found in cultivation include:

  • D. antarctica, soft tree fern[1]
  • D. fibrosa, woolly tree fern
  • D. squarrosa, rough or slender tree fern

The genus was first described by Charles Louis L'Héritier de Brutelle in 1788. The name honors James Dickson, a prominent nurseryman and botanist.[1]

Species

Plants of the World Online as of since January 2023Template:Dated maintenance category (articles)Script error: No such module "Check for unknown parameters". recognizes the following species:[2]

Image Scientific name Distribution
Dicksonia amorosoana Lehnert & CoriticoScript error: No such module "Check for unknown parameters". Philippines (Mindanao)
File:Dicksonia antarctica kz01.jpg Dicksonia antarctica Labill.Script error: No such module "Check for unknown parameters"., soft tree fern, Tasmanian tree fern Australia
File:Fetos arbóreos no Jardim Municipal, Funchal - Aug 2012.jpg Dicksonia arborescens L'Hér.Script error: No such module "Check for unknown parameters". St. Helena
Dicksonia archboldii Copel.Script error: No such module "Check for unknown parameters". New Guinea
Dicksonia baudouinii E.Fourn.Script error: No such module "Check for unknown parameters". New Caledonia
Dicksonia berteroana (Colla) Hook.Script error: No such module "Check for unknown parameters". Juan Fernández Islands
File:Dicksonia blumei Edinburgh botanical garden 01.jpg Dicksonia blumei (Kunze) T.MooreScript error: No such module "Check for unknown parameters". Indonesia, Philippines
Dicksonia brackenridgei Mett.Script error: No such module "Check for unknown parameters". Fiji, Samoa
Dicksonia celebica LehnertScript error: No such module "Check for unknown parameters". Sulawesi.
Dicksonia ceramica LehnertScript error: No such module "Check for unknown parameters". Maluku (Seram)
File:Dicksonia externa1.jpg Dicksonia externa Skottsb.Script error: No such module "Check for unknown parameters". Juan Fernández Islands
File:Dicksonia fibrosa kz06.jpg Dicksonia fibrosa ColensoScript error: No such module "Check for unknown parameters"., woolly tree fern, kuripaka or wheki-ponga New Zealand
File:Dicksonia gigantea (11310015693).jpg Dicksonia grandis Rosenst.Script error: No such module "Check for unknown parameters". New Guinea
Dicksonia herbertii W.HillScript error: No such module "Check for unknown parameters". Northeastern Queensland, Australia
Dicksonia hieronymi BrauseScript error: No such module "Check for unknown parameters". New Guinea
Dicksonia karsteniana (Klotzsch) T.MooreScript error: No such module "Check for unknown parameters". Mexico to Venezuela and Bolivia
Dicksonia lanata ColensoScript error: No such module "Check for unknown parameters". Tuokuro. New Zealand
Dicksonia lanigera HolttumScript error: No such module "Check for unknown parameters". New Guinea
Dicksonia lehnertiana Noben, F.Giraldo, W.D.Rodr. & A.TejedorScript error: No such module "Check for unknown parameters". Colombia
Dicksonia mollis HolttumScript error: No such module "Check for unknown parameters". Indonesia
Dicksonia munzingeri Noben & LehnertScript error: No such module "Check for unknown parameters". Solomon Islands to New Caledonia.
Dicksonia perriei Noben & LehnertScript error: No such module "Check for unknown parameters". New Caledonia
Dicksonia sciurus C.Chr.Script error: No such module "Check for unknown parameters". New Guinea
File:Dicksonia sellowiana in a Brasilian Forest.jpg Dicksonia sellowiana (C.Presl) Hook.Script error: No such module "Check for unknown parameters"., xaxim, samambaiuçu (in Portuguese) Southern Mexico through Central America and Northern South America to Bolivia and Uruguay
File:Dicksonia squarrosa, Christchurch Botanic Gardens, New Zealand 19.jpg Dicksonia squarrosa (G.Forst.) Sw.Script error: No such module "Check for unknown parameters"., rough tree fern, slender tree fern, New Zealand tree fern, wheki New Zealand
Dicksonia stuebelii Hieron.Script error: No such module "Check for unknown parameters". Northern Peru
File:Gardenology.org-IMG 2502 rbgs11jan.jpg Dicksonia thyrsopteroides Mett.Script error: No such module "Check for unknown parameters". New Caledonia
Dicksonia timorensis AdjieScript error: No such module "Check for unknown parameters". Lesser Sunda Islands (Timor)
Dicksonia utteridgei Lehnert & Cámara-LeretScript error: No such module "Check for unknown parameters". New Guinea
File:Gardenology.org-IMG 2495 rbgs11jan.jpg Dicksonia youngiae C.Moore ex BakerScript error: No such module "Check for unknown parameters"., bristly tree fern Australia

Phylogeny

Phylogeny of Dicksonia[3][4] Other species include:

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References

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  1. ↑ a b Dicksonia antarctica – the soft tree fern. Australian National Botanic Gardens. 2008
  2. ↑ Script error: No such module "citation/CS1".
  3. ↑ Script error: No such module "Citation/CS1".
  4. ↑ Script error: No such module "citation/CS1".

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  • Large, M.F. and J.E. Braggins Tree Ferns. Timber Press, Inc. (2004).
  • Lobin, Wolfram. List of the American Dicksonia Species. Scientific Authority of Germany, Bonn 2001.

External links

External links

Template:Taxonbar

Template:Cyatheales-stub Template:Asbox

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