Pollen and Spore Atlas

Sporobolus pyramidalis POACEAE

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equatorial view
equatorial view
polar view
polar view
surface pattern
surface pattern
wall view
wall view
aperture view
aperture view
unique feature
unique feature


Pollen / Spore Morphologic Type(s) Surface Pattern(s) Equatorial Size Equatorial Shape(s) Grain Arrangement(s)
min max mean
pollen monoporate scabrate 24.4 28.2 26.8 circular monad

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Aperture Count(s) 1
Wall Thickness 1.57
Pore Shape(s) circular (with annulus)
Pore Section(s) thickened
Pore Size 3.00
Morphology Notes Pore size average 3.045; annulus width 4.01 Fine reticulation?

Ecology and Geography

Plant Type Cotyledon Type Floristic Region(s) Habit Terrestrial(s)
angiosperm monocot Australia (tropical),
Australia (east coast)

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Vegetation Community(-ties) herbland, shrubland
Common Name whorled dropseed giant rat-tail grass
Ecology Notes Synonyms: Sporobolus indicus var. pyramidalis (L.) R.Br. (Beauv.) Veldkamp
Habitat Notes Native to Africa. Tolerant of arid conditions. Common weed species (especially on poorer soils) in coastal and subcoastal northern NSW and Qld.
Herbarium Link:


Collector Institution ANU Access Code
Anne & Mark Myerscough Charles Darwin University 17250

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Collection Site Casuarina Coastal Reserve, Darwin, Northern Territory
Collection Country Australia
Collection Date 2004-06-17
Institution Link
Collection Method floral reference
Herbarium Sample false
Herbarium Notes I'D by Bob Harwood (N.T. Herbarium)
Preparation Method Sample preparation performed at ANU. Sample sent to ANU: 22/07/2005.
Slide Medium glycerol
Microscopic Instrument Zeiss Axio Imager M1
Collection Notes Also found in Diego Garcia, Indian Ocean. Photographed