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NZ Plants

Loxogramme dictyopteris - lance fern

Family: Polypodiaceae

Loxogramme dictyopteris has a thin creeping to climbing stem (rhizome) bearing undivided, narrow and tapering fronds that are slightly leathery to fleshy. Formerly Anarthropteris lanceolata.
An endemic genus with one species found throughout New Zealand as a low epiphyte on trunks, rocks or moist banks in lowland forest.

Vegetative characteristics

Fertile frond and sporangia

Plant form: creeping stem bearing fronds up to 30 cm

Frond appearance: similar to sterile frond; bulging on upper surface above sori

Frond stalk, midrib: stipe indistinct, winged

Sporangium location: lower frond surface

Frond shape: elliptical tapering to the tip and base

Sporangium position: in one row either side of midrib

Frond blade: undivided

Sporangia distribution: in groups (sori)

Frond surface: leathery

Sorus shape: oval

Leaflets: 0

Sorus covering: 0