Alsophila halconensis

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Alsophila halconensis
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Cyatheales
Family: Cyatheaceae
Genus: Alsophila
Species:
A. halconensis
Binomial name
Alsophila halconensis
(Christ) R.M.Tryon[1]
Synonyms[1]
  • Cyathea halconensis Christ
  • Cyathea mearnsii Copel.
  • Cyathea melanophlebia Copel.

Alsophila halconensis, synonym Cyathea halconensis,[1] is a species of tree fern native to the islands of Luzon and Mindoro in the Philippines, where it grows in forest at an altitude of 1200–1700 m. The trunk of this plant is erect and 2–4 m tall. Fronds may be bi- or tripinnate and more than 1 m in length. Conical spines and scales cover the stipe. These scales are dark brown in colouration and have fragile edges. Sori occur near the fertile pinnule midvein. They are protected by thin, pale indusia.[2]

The specific epithet halconensis refers to Mount Halcon, which at 2581 m is the highest peak on Mindoro.[2]

References[]

  1. ^ a b c Hassler, Michael & Schmitt, Bernd (June 2019). "Alsophila halconensis". Checklist of Ferns and Lycophytes of the World. Vol. 8. Retrieved 2019-09-14.
  2. ^ a b Large, Mark F. & Braggins, John E. (2004). Tree Ferns. Timber Press. p. 138. ISBN 978-0-88192-630-9.

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