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NZ Plants
Deparia petersenii
Family: Athyriaceae
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Frond
I MacDonald
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Frond stalk (stipe) with scales and hairs
L Jensen
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Frond upper surface, midrib (rachis) with leafletls
I MacDonald
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Rachis with leaflets
I MacDonald
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Rachis, long and short hairs
L Jensen
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Rachis, detail of long hair
L Jensen
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Rachis, detail of short hair
L Jensen
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Leaflets upper surface with hairs
L Jensen
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Leaflet upper surface, hairs
L Jensen
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Leaflet upper surface, detail of hair
L Jensen
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Fertile leaflets lower surface with sori
L Jensen
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Sori with indusium covering and mature sporangia
L Jensen
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Deparia petersenii is a terrestrial fern with a long creeping stem (rhizome) and upright hairy and scaly yellow-green fronds. The lower surface of the thin fronds bear elongate sori in a herring-bone pattern along the veins.
Found in open, moist lowland forest especially in disturbed places. Indigenous but also widespread throughout the Pacific and Asia.
Vegetative characteristics |
Fertile frond and sporangia |
|---|---|
Plant form: terrestrial, creeping rhizome with fronds up to 500 mm |
Frond appearance: similar to sterile frond |
Frond stalk, midrib: scales, hairs |
Sporangium location: lower frond surface |
Frond shape: oval |
Sporangium position: along one side of a leaflet vein |
Frond blade: 2-pinnate (divided 2x into leaflets or pinnae) |
Sporangia distribution: in groups (sori) |
Frond surface: hairs |
Sorus shape: elongate |
Leaflets: oblong, round-ended with lobed or toothed margins |
Sorus covering: elongated, free edge toothed |
