T.E.R:R.A.I.N - Taranaki Educational Resource: Research, Analysis and Information Network


Tarawera button fern

Kingdom: Plantae
Division: Pteridophyta
Class: Polypodiopsida
Order: Polypodiales
Family: Pteridaceae
Genus: Pellaea
Species: P. rotundifolia
Binomial name: Pellaea rotundifolia
Common name: Tarawera

Pellaea rotundifolia. the Button fern, is a species of fern endemic to New Zealand, and often cultivated as a garden and house plant. Iis common in lowland to montane area and it favours dry rock places in forests, light scrub and can be found in the open. Pellaea rotundifolia has round, dark-green, leathery leaves, on fronds up to about 20 cm in length.
It has been found to contain an insecticide ( phytoecdysones) which is toxic to the larve to the common house fly.