Biology:Alsophila brooksii

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Short description: Species of plant

Alsophila brooksii
Scientific classification edit
Script error: No such module "Taxobox ranks".: Plantae
Script error: No such module "Taxobox ranks".: Tracheophytes
Script error: No such module "Taxobox ranks".: Polypodiophyta
Script error: No such module "Taxobox ranks".: Polypodiopsida
Script error: No such module "Taxobox ranks".: Cyatheales
Script error: No such module "Taxobox ranks".: Cyatheaceae
Script error: No such module "Taxobox ranks".: Alsophila
Script error: No such module "Taxobox ranks".: <div style="display:inline" class="script error: no such module "taxobox ranks".">A. brooksii
Binomial name
Alsophila brooksii
(Maxon) R.M.Tryon[1]
Synonyms[1]
  • Cyathea brooksii Maxon

Alsophila brooksii, synonym Cyathea brooksii,[1] is a species of tree fern native to Cuba, Hispaniola and Puerto Rico, where it grows on serpentine soils in shaded ravines, along streams, and on forested slopes at an altitude of 250–950 m. The trunk is prostrate and only about 6 cm in diameter. Fronds are pinnate or bipinnate and up to 2 m long. The base of the rachis is covered with blackish scales that have a paler margin. Sori occur in two rows, one along each side of the pinnule midvein.[2]

In the wild, A. brooksii is known to hybridise with Alsophila fulgens and Alsophila portoricensis, although the resulting plants are thought to be sterile.[2]

This taxon is not to be confused with Cyathea brooksii Copel., which is a synonym of Sphaeropteris squamulata.[2][3]

References

  1. 1.0 1.1 1.2 Hassler, Michael; Schmitt, Bernd (June 2019), "Alsophila brooksii", Checklist of Ferns and Lycophytes of the World, 8, https://worldplants.webarchiv.kit.edu/ferns/, retrieved 2019-08-27 
  2. 2.0 2.1 2.2 Large, Mark F.; Braggins, John E. (2004), Tree Ferns, Timber Press, p. 106, ISBN 978-0-88192-630-9, https://archive.org/details/treeferns00mark/page/106 
  3. Hassler, Michael; Schmitt, Bernd (June 2019), "Sphaeropteris squamulata", Checklist of Ferns and Lycophytes of the World, 8, https://worldplants.webarchiv.kit.edu/ferns/, retrieved 2019-09-16 

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