Australasian
Pollen and Spore Atlas
 

Helicteres sp darwin STERCULIACEAE

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Code180-33-1

Images

Morphology

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 triporate granulate 25.0 27.8 25.9 22.1 25.9 23.8 oblate triangular (convex) monad

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Aperture Count(s) 3
Wall Evenness(es) even
Wall Thickness 1.39
Pore Shape(s) circular
Pore Size 6.06 x 6.57
Morphology Notes Prominant thickening around pore. Wall thickness 1.23 - 1.61. Sexine = nexine.



Ecology and Geography

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

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Habitat Notes Monsoonal vine thickets on dunes or rocky scree, extending into open forest or woodland.
Herbarium Link: http://www.anbg.gov.au/cpbr/herbarium/index.html



Collection

Collector Institution ANU Access Code
Anne & Mark Myerscough Charles Darwin University ID by Ian Cowie and Bob Harwood (N.T. Herbarium) 17298

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Collection Site Palmerston, Darwin, Northern Territory
Collection Country Australia
Collection Date 2004-10-27
Institution Link http://www.cdu.edu.au/
Collection Method floral reference
Herbarium Sample false
Preparation Method Sample preparation performed at ANU. Sample sent to ANU 17/11/2004
Slide Medium glycerol
Microscopic Instrument Zeiss Axio Imager M1
Collection Notes Photographed