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NZ Plants
Lastreopsis hispida - hairy fern
Family: Dryopteridaceae
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Frond
L Jensen
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Frond stalk (stipe) with hairs
L Jensen
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Stipe with long and short hairs
L Jensen
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Frond upper surface, midrib (rachis) and leaflets
L Jensen
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Leaflet, upper surface
L Jensen
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Frond upper surface, rachis with hairs
L Jensen
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Young leaflet lower surface, sori with indusium covering maturing sporangia
L Jensen
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Older leaflet lower surface, sori with shriveled indusium exposing mature sporangia
L Jensen
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Lastreopsis hispida is a terrestrial fern with creeping stems (rhizomes) bearing brownish green, 5-angled harsh fronds. The presence of a conspicuous covering of bristle-like scales and shorter hairs on the frond stalk (stipe), midrib (rachis) and veins is a distinguishing feature of this species.
Found in damp lowland or coastal forest throughout the North Island and in coastal regions of the South Island.
sVegetative characteristics |
Fertile frond and sporangia |
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Plant form: creeping stems with fronds up to 60 cm in length |
Frond appearance: similar to sterile frond |
Frond stalk, midrib: long black bristle-like scales; small glandular hairs |
Sporangium location: on lower frond surface |
Frond shape: oval |
Sporangium position: to either side of vein |
Frond blade: 3-4-pinnate (divided 3-4x into leaflets or pinnae) |
Sporangia distribution: in groups (sori) |
Frond surface: hairs |
Sorus shape: circular |
Leaflets: stalked, narrow, toothed, pointed at tip |
Sorus covering: kidney-shaped |
