Waltheria indica STERCULIACEAE

Sample information

Sample ID180-19-2a
Common namewanderrie grass


Pollen / Sporepollen
Morphologic typezonocolporate
Surface patternreticulate
Murus complexitysimplicolumellate
Equatorial sizemin 42.7, mean 47.2, max 54.7
Polar sizemin 41.6, mean 47.1, max 54
Equatorial shapecircular
Polar shapecircular
Grain arrangementdicot
Aperture count4, 5
Pore surface shapeelliptic (broad)
Colpi length1/3
Wall thickness3.69
Wall evennesseven
Dispersal formmonad
Morphology notesPores transversally elliptic across short copli. Wall thickness 3.46 - 4.03; sexine thicker than nexine.

Ecology and Geography

Plant typeangiosperm
Floristic region(s)Australia (tropical)
Vegetation communitiesherbland, shrubland
Ecology notesSynonym: Waltheria americana Possibly an pantropical weed, American in origin (see, Wagner, W .L., Herbst, D. R. and Sohmer, S. H. (1999) Manual of flowering plants of Hawai'i Revised Edition. University of Hawai'i Press, Honolulu).
Habitat notesVariety of substrates, often near water sources.


CollectorAnne & Mark Myerscough
InstitutionChareles Darwin University
ANU access code17301
Collection methodfloral reference
Herbarium sample?False
Collection siteCasuarina Coastal Reserve, Darwin, Northern Territory
Collection countryAustralia
Collection date2004-06-17
Collection notesKimberley Region, Western Australian Pollen Flora. Also found in Diego Garcia, Indian Ocean.
Equatorial view
Polar view
Surface pattern
Wall view
Aperture view
Unique feature