Alsophila spinulosa


Alsophila spinulosa, synonym Cyathea spinulosa, also known as the flying spider-monkey tree fern, is a species of tree fern in the family Cyatheaceae.

Description

The trunk of this species can grow to a height of 5 m or more. The stipes are persistent, spiny and purplish towards the base, and covered in brown shiny scales. Fronds are 1–3 m long and three-limbed. The sori, producing the spores, are large and round. Like many tree ferns, it features a "skirt" of dead leaves that do not drop off the crown and form a barrier for parasitic climbing plants.

Distribution and habitat

A. spinulosa occurs in humus soils in shadowed forest locations, and is widely distributed across Asia including China, Nepal, India, Burma, Myanmar, and Japan.

Use by humans

The stems are rich in starch and edible. Stem chips also see use as fern chips as a substrate for the cultivation of orchids.