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Story: Marine invaders

Undaria reproductive parts (3rd of 3)

Undaria reproductive parts

A frilled sporophyll or spore-bearing structure develops at the base of the mature undaria stalk or stipe. It releases up to 10 million tiny spores into the water during one summer season. The mature plant then dies. This dried sporophyll had washed ashore.

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Te Ara - The Encyclopedia of New Zealand
Photograph by Jock Phillips

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How to cite this page:

Christina Troup. 'Marine invaders', Te Ara - the Encyclopedia of New Zealand, updated 2-Mar-09
URL: http://www.TeAra.govt.nz/en/marine-invaders/4/1/3