Andropogon gayanus POACEAE

Sample information

Sample ID11-116-3
Common namegamba grass


Pollen / Sporepollen
Morphologic typemonoporate
Surface patternreticulate
Equatorial sizemin 35.7, mean 38.6, max 42.3
Equatorial shapecircular
Grain arrangementmonocot
Aperture count1
Pore morphologythickened
Pore surface shapecircular (with annulus)
Wall thickness2.19
Wall evennesseven
Dispersal formmonad
Morphology notesPore (2.83 - 3.70) and with annulus 8.79um (8.36-9.26). Pore with operculum sometimes present. Faint pattern

Ecology and Geography

Plant typeangiosperm
Floristic region(s)Australia (tropical)
Vegetation communitieswoodland
Ecology notesCook, B.G., Pengelly, B.C., Brown, S.D., Donnelly, J.L., Eagles, D.A., Franco, M.A., Hanson, J., Mullen, B.F., Partridge, I.J., Peters, M. and Schultze-Kraft, R. 2005. Tropical Forages: an interactive selection tool., [CD-ROM], CSIRO, DPI&F(Qld), CIAT and ILRI, Brisbane, Australia.
Habitat notesNative through tropical Africa. Occurs naturally in xerophytic grasslands, on sandy or clay soils, up to 1500m a.s.l. Androppogon gayanus has been declared an environmental weed in northern Australia, due to its ability to spread and generate intense fire. Excessive grass fuel loads alter the fire regime and savanna vegetation (Cook et al., 2005)


CollectorFay Johnston & David Bowman
InstitutionCharles Darwin University
ANU access code17194
Collection methodfloral reference
Herbarium sample?False
Collection siteCasuarina Coastal Reserve, Darwin, Northern Territory
Collection countryAustralia
Collection altitude1500
Collection date2005-04-15
Collection notesPhotographed
Equatorial view
Polar view
Surface pattern
Wall view
Aperture view
Unique feature