Pollen and Spore Atlas

Brachychiton megaphyllus STERCULIACEAE

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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 44.0 49.2 45.9 38.7 45.5 42.2 prolate circular monad

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Aperture Count(s) 3
Wall Evenness(es) even
Wall Thickness 3.0
Pore Shape(s) elliptic (broad)
Pore Size 6.52 x 5.29
Colpus Length(s) > 2/3
Morphology Notes Wall thickness 2.13 - 3.72. Pore size 5.26 - 7.9 x 4.15 - 6.39.

Ecology and Geography

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

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Vegetation Community(-ties) open forest, woodland
Common Name red-flowered kurrajong
Habitat Notes Open forest to sparse woodland with declining rainfall.
Herbarium Link:


Collector Institution ANU Access Code
Anne Myerscough and Mark Myerscough Charles Darwin University 17297

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Collection Site Charles Darwin University campus, Casuarina, Darwin, Northern Territory
Collection Country Australia
Collection Date 2004-10-06
Institution Link
Collection Method floral reference
Herbarium Sample false
Herbarium Notes I'D by Ian Cowie & Bob Harwood (N.T. Herbarium)
Preparation Method Sample preparation performed at ANU. Sample snet to ANU 17/11/2004
Slide Medium glycerol
Microscopic Instrument Zeiss Axio Imager M1
Publication Information Litchfield, W. H. (1966) The pollen morphology of Australian Sterculieae. Pollen et Spores, 8, 439-453. (for additional description and illustration of the Brachychiton genus). Phillips, M. E. (1941) Studies in atmospheric pollen. Med. J. Austr., 2, 189-198. (suggests Brachychiton pollen under-represents source plants).
Collection Notes Photographed