Cyperus vegetus CYPERACEAE

Sample information

Sample ID12-6-31
Common nameTall Flatsedge, Nutsedge, Umbrella Sedge


Pollen / Sporepollen
Morphologic typeinaperturate
Surface patternpsilate
Equatorial sizemean 25
Polar sizemean 20
Equatorial shapeprolate
Grain arrangementmonocot
Aperture count4
Pore colpuses4
Exine typetectate
Morphology notesPeriporate. Lacunae (pore aperture): exine broken with irregular pore apertures poorly defined. Tectate/psilate. Exine: 1.5um thick. Ovoid to pear shaped. Lacunae length more than 20% of grain.

Ecology and Geography

Plant typeangiosperm
Floristic region(s)East Pacific Islands , Other outside Australasia
Habit aquatic(s)emergent
Vegetation communitiesdisturbed/anthropogenic, herbland
Habitat notesTemperate South America, Juan Fernandez, Easter Island. Considered native to western North America but also found in the Canary Islands and southern Europe. Collected from the floating mat of Rano Kao March 2008 by Gossen et al. Sedge prefers moist places including wet soils, clay or gravel. Thrives on disturbed plant communities and seasonal creeks.


CollectorWarnock 63
Collection siteChristchurch
Collection countryNew Zealand
Collection date1935-03-03
Collection notesProcessed at the Pollen Laboratory, University of Minnesota, USA from the collecton of Ed Cushing, slide ref. B3641.
Equatorial view
Polar view
Surface pattern
Wall view
Aperture view
Unique feature