Alsophila khasyana

Alsophila khasyana, synonym Cyathea khasyana,[2] is a species of tree fern. Its natural distribution extends from India to Myanmar, although it is absent from Sri Lanka. A. khasyana grows in forest at an altitude of 1400โ€“1700 m. The trunk of this plant is erect and 5โ€“7 m tall. Fronds may be bi- or tripinnate and 2โ€“3 m in length. A. khasyana has a long, dark stipe that is covered in numerous scales. These scales are dark and have broad, pale, fringed edges. Sori are borne near the midvein of fertile pinnules and lack indusia.[3]

Alsophila khasyana
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Cyatheales
Family: Cyatheaceae
Genus: Alsophila
Species:
A. khasyana
Binomial name
Alsophila khasyana
T.Moore ex Kuhn[1]
Synonyms[2]
  • Alsophila latebrosa var. ornata (J.Scott ex Bedd.) Bedd.
  • Alsophila oldhamii Bedd.
  • Alsophila ornata J.Scott ex Bedd.
  • Alsophila pingbianica Y.K.Yang, Y.M.He & J.K.Wu
  • Alsophila scottiana Baker
  • Alsophila sikkimensis C.B.Clarke & Baker
  • Cyathea khasyana (Moore ex Kuhn) Domin
  • Cyathea oldhamii (Bedd.) Domin
  • Cyathea ornata (J.Scott ex Bedd.) Copel.
  • Cyathea sikkimensis (C.B.Clarke & Baker) Cretz.
  • Gymnosphaera hongheensis Y.K.Yang, Z.Y.Yu & J.K.Wu
  • Gymnosphaera khasyana (T.Moore ex Kuhn) Ching
  • Gymnosphaera pingbianica (Y.K.Yang, Y.M.He & J.K.Wu) Y.K.Yang & J.K.Wu

The specific epithet khasyana refers to the Khasi Hills of India.[3]

References

  1. "Alsophila khasyana T.Moore ex Kuhn". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2019-08-25.
  2. Hassler, Michael & Schmitt, Bernd (June 2019). "Alsophila khasyana". Checklist of Ferns and Lycophytes of the World. Vol. 8. Archived from the original on 2017-09-02. Retrieved 2019-08-25.
  3. Large, Mark F. & Braggins, John E. (2004). Tree Ferns. Timber Press. p. 150. ISBN 978-0-88192-630-9.


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