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NZ Plants


Asplenium lamprophyllum


Spleenwort family: Aspleniaceae

Asplenium lamprophyllum is a terrestrial fern with a creeping stem (rhizome) bearing glossy light green fronds with the smell of oil of wintergreen when crushed. Its creeping rhizome, dark scales, glossy and less divided fronds, longer sori and smell distinguish this from the similar-looking A. bulbiferum.

An endemic species found in the central North Island.
 

Vegetative characteristics

Fertile frond and sporangia

Plant form: creeping rhizome with fronds up to 600 mm in length

Frond appearance: similar to sterile frond

Frond stalk, midrib: oval to triangular dark brown scales

Sporangium location: on lower frond surface

Frond shape: lanceolate to elliptic

Sporangium position: close to leaflet margin

Frond blade: 1-2-pinnate (divided 1-2x into leaflets or pinnae)

Sporangia distribution: in groups (sori)

Frond surface: glossy, hairless

Sorus shape: linear

Leaflets: sessile or shortly stalked, elliptic, often deeply serrate

Sorus covering: linear covering (indusium)  opening toward midrib