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NZ Plants

Leptopteris hymenophylloides - heruheru, single crape fern

Family: Osmundaceae

Leptopteris hymenophylloides has a short erect stem bearing delicate, translucent, dark to pale-green almost triangular and sparsely hairy, fronds. The ultimate leaflets are flattened in one plane. Sporangia are scattered on the frond lower surface rather than in groups.
An endemic species found throughout New Zealand in damp lowland to montane forest.

Vegetative characteristics

Fertile frond and sporangia

Plant form: erect stem bearing fronds up to 150 cm

Frond appearance: similar to sterile frond

Frond stalk, midrib: stipe pale brown, sparsely hairy

Sporangium location: lower frond surface

Frond shape: elliptical to triangular

Sporangium position: scattered

Frond blade: 3-pinnate (divided 3x into leaflets or pinnae)s

Sporangia distribution: not in groups (sori)

Frond surface: sparsely hairy

Sorus shape: 0

Leaflets: linear, flattened in one plane   

Sorus covering: 0