Tridax procumbens ASTERACEAE

Sample information

Sample ID286-229-1b
Common nametridax daisy


Pollen / Sporepollen
Morphologic type4-colporate , tricolporate
Surface patternechinate
Equatorial sizemin 25.6, mean 27.9, max 29.7
Polar sizemin 26.3, mean 27.9, max 29.8
Equatorial shapesuboblate, circular
Polar shapecircular
Grain arrangementdicot
Aperture count4
Pore surface shapesquared
Wall thickness2
Dispersal formmonad
Morphology notesEchini av. 3.67 (2.86 - 4.00) Pore circular - squared

Ecology and Geography

Plant typeangiosperm
Floristic region(s)Australia (tropical)
Vegetation communitiesherbland
Ecology notesHenty, E. E. & G. H. Pritchard. 1975. Weed of New Guinea and their control. 2nd edition. Division of Botany, Department of Forests, Lae, Papua New Guinea. Stone, B. C. 1970. The flora of Guam. Micronesica 6:586.
Habitat notesNorth Australian weed on wet and disturbed ground. a weed of gardens, cultivation and pastures; often in short grassland. From near sea level to about 700 m, very common (Henty and Pritchard, 1975). Indigenous to tropical America, now a pan-tropical weed (Stone, 1970)


CollectorAnne & Mark Myerscough
InstitutionCharles Darwin University
ANU access code17026
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