Alsophila costularis

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Alsophila costularis
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Cyatheales
Family: Cyatheaceae
Genus: Alsophila
Species:
A. costularis
Binomial name
Alsophila costularis
Baker[1]
Synonyms[1][2]
  • Cyathea chinensis Copel.
  • Cyathea yunnanensis Domin
  • Sphaeropteris chinensis (Copel.) comb.ined.

Alsophila costularis, synonyms Cyathea chinensis and Sphaeropteris chinensis,[1][2] is a species of tree fern native to Yunnan in China, Sikkim in India, as well as Nepal, Myanmar, Laos and Vietnam. Plants grow in forest and montane forest at an altitude of 900–1800 m. The trunk is erect and 1–2 m tall. Fronds are bipinnate and 1–2 m long. The stipe is either long and warty or has short spines towards the base as well as scattered glossy dark brown scales with fragile edges. Sori occur near the midvein of fertile pinnules and are covered by thin indusia.[3]

Taxonomy[]

The nomenclature of the species varies, as of August 2021. Plants of the World Online treats it in the genus Alsophila as Alsophila costularis.[1] World Ferns treats it in the genus Sphaeropteris as Sphaeropteris chinensis, although this combination had not been formally published. World Ferns also lists many more synonyms.[2]

References[]

  1. ^ a b c d "Alsophila costularis Baker". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-08-13.
  2. ^ a b c Hassler, Michael (2004–2021). "Genus Alsophila R.Br". World Ferns. Synonymic Checklist and Distribution of Ferns and Lycophytes of the World. Version 12.3. Retrieved 2021-08-13.{{citation}}: CS1 maint: date format (link)
  3. ^ Large, Mark F. & Braggins, John E. (2004). Tree Ferns. Timber Press. p. 112. ISBN 978-0-88192-630-9. Retrieved 2021-08-13.


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