Cyathea costalisora

Cyathea costalisora
Cyathea costalisora
Scientific classification
Kingdom: Plantae
Division: Pteridophyta
Class: Pteridopsida
Order: Cyatheales
Family: Cyatheaceae
Genus: Cyathea
Subgenus: Cyathea
Section: Alsophila
Species: C. costalisora
Binomial name
Cyathea costalisora
Copeland, 1942
Synonyms
  • Alsophila costalisora (Copeland) Tryon, 1970

Cyathea costalisora is a species of tree fern native to western New Guinea, where it grows on the edges of forest and in moist hollows at an altitude of 1900-3225 m. The trunk is erect, up to 4 m tall and may branch near the base. Fronds are bi- or tripinnate and 1-1.5 m long. The stipe is warty, especially where scales have fallen. The scales are pale and have a distinctive dark glossy central region, with a paler dull margin. Sori are round and occur near the fertile pinnule midvein. They are covered by firm, dark indusia that are cup-like in appearance.

C. costalisora should not be confused with the similarly named Cyathea costulisora.

References


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