Common name: jungle brake
Pteris umbrosa R.Br. APNI*
Description: Rhizome short-creeping, the apex covered with narrow dark brown scales.
Fronds erect, 100–200 cm high, 1-pinnatifid to incompletely 2-pinnate, dark green, not markedly dimorphic; stipe pale to red-brown, to over 30 cm long, rachis brown; pinnae glabrous, primary pinnae increasing in size towards base of frond; lowermost primary pinnae 10–30 cm long, segments linear-lanceolate, the margins minutely toothed on sterile fronds or entire.
Sori linear, continuous, conspicuous.
Distribution and occurrence: in rainforest, often forming large colonies in shaded situations.
NSW subdivisions: NC, CC, SC, NT, CT
Other Australian states: Qld Vic.
Text by Peter G. Wilson
Taxon concept: K.U. Kramer & P.M.McCarthy (1998)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.