Thelypteris interrupta THELYPTERIDACEAE

Sample information

Sample ID407-20-7
Common namewilldenow's maiden fern


Pollen / Sporespore
Morphologic typemonolete
Equatorial sizemean 40
Polar sizemean 27
Aperture count1
Morphology notesSpores monolete. Symmetry bilateral,heteropolar; plano-convex to concavo-convex in equatorial longitudinal view; perine rugulate-saccate. Projections varying from short linear to round, minutely scabrate. Equatorial axis 40um average, polar axis 27um average.

Ecology and Geography

Plant typefern
Floristic region(s)East Pacific Islands , Other outside Australasia
Habitat notesPantropical. Found in the Caribbean. A variant called Dryopteris gongyloides var. glabra (Mett) found in the Congo of Central Africa. This fern noted by Skottsberg at Rano Aroi 400m at the edge of the swamp with Polygonum very rare. In Rano Kao at the bottom of the crater 110m in the Scirpetum and among the large boulders at little higher up. Fertile. Found in marshes and swamps, wet areas.


Collection notesGossen(2010) identified fern in Rano Kao at lake edge and under Acacia forest growing in rocks.

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