Blechnum_novae-zelandiae_6724_OkaritoTheForks5

Despite its alien-looks, this is the fertile, spore-producing frond of kiokio, Blechnum novae-zelandiae. Parts of ‘normal’-looking sterile fronds are in the background. Most Blechnum ferns produce markedly different-looking fertile and sterile fronds. Photo Leon Perrie. © Te Papa.

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