Alsophila dimorpha

Alsophila dimorpha, synonym Cyathea dimorpha,[1] is a species of tree fern native to central and southeastern Sulawesi, where it grows at an altitude of 120–1700 m. The trunk is erect and 3–4 m tall. Fronds are pinnate to bipinnate and up to 2 m long. Fertile pinnules are reduced in size. The stipe is short and bears basal scales. The scales are narrow, glossy, dark and have pale edges. Indusia are absent.[2]

Alsophila dimorpha
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Cyatheales
Family: Cyatheaceae
Genus: Alsophila
Species:
A. dimorpha
Binomial name
Alsophila dimorpha
Christ[1]
Synonyms[1]
  • Cyathea dimorpha (Christ) Copel.
  • Gymnosphaera dimorpha (Christ) S.Y.Dong

The specific epithet dimorpha refers to the strong morphological differences between fertile and sterile pinnules. Sterile pinnules are larger, while fertile pinnules are narrow, reduced and lobed.[2]

References
  1. Hassler, Michael & Schmitt, Bernd (June 2019). "Alsophila dimorpha". Checklist of Ferns and Lycophytes of the World. Vol. 8. Archived from the original on 2017-09-02. Retrieved 2019-09-14.
  2. Large, Mark F. & Braggins, John E. (2004). Tree Ferns. Timber Press. p. 124. ISBN 978-0-88192-630-9.


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