Alsophila cuspidata

Alsophila cuspidata, synonym Cyathea cuspidata,[1] is a widespread species of tree fern native to Central and South America, where it grows in tropical rain forest up to the montane zone, as well as in open sites, on riverbanks and cleared pastureland at an altitude of 0–800 m. Its natural distribution covers Mexico, Guatemala, Belize, Honduras, El Salvador, Nicaragua, Costa Rica, Panama, Colombia, Ecuador, Peru, Bolivia, Paraguay, the Amazon Basin, Brazil and French Guiana. This species often has multiple trunks, which may be 15 m tall and about 10 cm in diameter. They are covered in black spines and together form a medium-sized, feathery clump. Fronds are bipinnate and 2–3 m long. The rachis and stipe are brown to dark brown and are covered with scales. The scales are bicoloured, having a dark brown to blackish centre and a pale, whitish margin. Pinnule veins sometimes have small, brown, star-shaped scales. Sori are round and form on either side of the pinnule midvein. They are covered by globose indusia.[2]

Alsophila cuspidata
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Class: Polypodiopsida
Order: Cyatheales
Family: Cyatheaceae
Genus: Alsophila
Species:
A. cuspidata
Binomial name
Alsophila cuspidata
(Kunze) D.S.Conant[1]
Synonyms[1]
  • Cyathea cuspidata Kunze
  • Cyathea hassleriana Christ
  • Cyathea oxyacantha Sodiro
  • Cyathea oyapoka Jenman
  • Cyathea punctifera Christ
  • Nephelea cuspidata (Kunze) R.M.Tryon

In cultivation, A. cuspidata should be provided with high humidity and warm temperatures. It should not be exposed to frost.[2]

References
  1. Hassler, Michael & Schmitt, Bernd (June 2019). "Alsophila cuspidata". Checklist of Ferns and Lycophytes of the World. 8. Retrieved 2019-09-14.
  2. Large, Mark F. & Braggins, John E. (2004). Tree Ferns. Timber Press. p. 119. ISBN 978-0-88192-630-9.


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