Sporobolus pyramidalis POACEAE

Sample information

Sample ID11-25-6
Common namewhorled dropseed giant rat-tail grass


Pollen / Sporepollen
Morphologic typemonoporate
Surface patternscabrate
Equatorial sizemin 24.4, mean 26.8, max 28.2
Equatorial shapecircular
Grain arrangementmonocot
Aperture count1
Pore morphologythickened
Pore surface shapecircular (with annulus)
Wall thickness1.57
Dispersal formmonad
Morphology notesPore size average 3.045; annulus width 4.01 Fine reticulation?

Ecology and Geography

Plant typeangiosperm
Floristic region(s)Australia (tropical) , Australia (east coast)
Vegetation communitiesherbland, shrubland
Ecology notesSynonyms: Sporobolus indicus var. pyramidalis (L.) R.Br. (Beauv.) Veldkamp
Habitat notesNative to Africa. Tolerant of arid conditions. Common weed species (especially on poorer soils) in coastal and subcoastal northern NSW and Qld.


CollectorAnne & Mark Myerscough
InstitutionCharles Darwin University
ANU access code17250
Collection methodfloral reference
Herbarium sample?False
Collection siteCasuarina Coastal Reserve, Darwin, Northern Territory
Collection countryAustralia
Collection date2004-06-17
Collection notesAlso found in Diego Garcia, Indian Ocean. Photographed
Equatorial view
Polar view
Surface pattern
Wall view
Aperture view
Unique feature