Pollen and Spore Atlas

Macroptilium atropurpureum FABACEAE

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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 Polar Size Equatorial Shape(s) Polar Shape(s) Grain Arrangement(s)
min max mean min max mean
pollen tricolporate reticulate 26.6 31.7 28.6 26.4 29.3 27.8 circular circular monad

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Aperture Count(s) 3
Wall Evenness(es) even
Wall Thickness 1.8
Pore Shape(s) elliptic (broad)
Pore Size 8.5 x 5.6
Morphology Notes Wall thickness 1.71 - 2.06. Pore size range 7.69 - 10.10 x 4.54 - 7.01. Irregular pore edges.

Ecology and Geography

Plant Type Cotyledon Type Floristic Region(s) Habit Terrestrial(s)
angiosperm dicot Australia (tropical) liane

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Vegetation Community(-ties) disturbed/anthropogenic
Common Name purple bush bean
Ecology Notes Institute of Pacific Islands Forestry and PIER (Pacific Island Ecosystems at Risk).
Habitat Notes Pasture species, with dense growth in disturbed areas. Native to tropical and subtropical America (south to Peru). Wide spread in the Pacifc and Australia, typically an invasive weed.
Herbarium Link:


Collector Institution ANU Access Code
Anne & Mark Myerscough Charles Darwin University Identified by Friday staff, N.T. Herbarium 17104

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Collection Site Palmerston, Darwin, Northern Territory
Collection Country Australia
Collection Date 2005-05-12
Institution Link
Collection Method floral reference
Herbarium Sample false
Preparation Method Sample preparation performed at ANU. Sample sent to ANU 27/05/2005.
Slide Medium glycerol
Microscopic Instrument Zeiss Axio Imager M1
Collection Notes Kimberley Region, Western Australian Pollen Flora