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NZ Plants

Pyrosia eleagnifolia - leather leaf fern

Family: Polypodiaceae

Pyrrosia eleagnifolia has a creeping stem (rhizome) forming dense colonies of plants on rock or trees. The small leathery fronds are undivided and variable in shape. Fronds are densely covered in stellate hairs which are sparse on the upper surface but dense on the lower surface.
An endemic fern found throughout the country.

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Vegetative characteristics

Fertile frond and sporangia

Plant form: creeping rhizome with fronds up to 20 cm  

Frond appearance: linear, longer than sterile frond

Frond stalk, midrib: scales

Sporangium location: underside of fertile frond

Frond shape: variable, round to narrow to linear

Sporangium position: close to frond margin

Frond blade: undivided

Sporangia distribution: in groups (sori)

Frond surface: hairs

Sorus shape: oval round

Leaflets: 0

Sorus covering: 0