Pollen and Spore Atlas

Sterculia quadrifida 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 17.7 20.8 19.2 17.8 19.9 19.0 prolate triangular monad

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Aperture Count(s) 3
Surface Pattern 'reticulate':
Reticulum Homogeneity(-ties) homobrochate
Muri Homogeneity(-ties) homobrochate
Wall Evenness(es) even
Wall Thickness 1.74
Pore Shape(s) lalongate
Colpus Length(s) > 2/3, full
Morphology Notes Prolate spheroidal to subprolate in ev, trilobed in pv. Pore lalongate, slit-like. Wall thickness 1.37 - 2.02

Ecology and Geography

Plant Type Cotyledon Type Floristic Region(s) Habit Terrestrial(s)
angiosperm dicot Australia (tropical),
Australia (east coast),
Papua New Guinea (lowland)

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Vegetation Community(-ties) closed forest
Common Name peanut tree
Habitat Notes Deciduous canopy. Littoral and riverine rainforest. Occasionally in open forest near freshwater.
Herbarium Link:


Collector Institution ANU Access Code
Anne & Mark Myerscough Charles Darwin University 17300

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Collection Site Casuarina Coastal Reserve, Darwin, Northern Territory
Collection Country Australia
Collection Date 2004-11-22
Institution Link
Collection Method floral reference
Herbarium Sample false
Herbarium Notes Identified by Friday Staff, (N.T. Herbarium)
Preparation Method Sample preparation performed at ANU. Sample sent to ANU 14/12/2004.
Slide Medium glycerol
Microscopic Instrument Zeiss Axio Imager M1
Collection Notes Photographed