Pollen and Spore Atlas

Malvastrum spicatum MALVACEAE

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equatorial view
equatorial view


Pollen / Spore Morphologic Type(s) Surface Pattern(s) Equatorial Size Polar Size Equatorial Shape(s) Grain Arrangement(s)
min max mean min max mean
pollen pantocolporate,
echinate 39.5 48.0 44.0 39.5 48.0 44.0 circular monad

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Wall Thickness 3.0
Pore Shape(s) circular
Pore Size 3-5
Morphology Notes pantoporate, some grains pantocolporate. Subspheroidal. Colpus visible in some grains; brevicolpate. Pores circular, 3-5 u wide. 37 (32-48). Exine 3, sexine gt nexine; with spines 2 u high, 3 u at base.

Ecology and Geography

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

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Herbarium Link:


Collector ANU Access Code
A. E. Orchard 218 (AD) 6269

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Collection Site ~3km N of Curnamma Homestead, on Frome Downs Road, ~105km N of Adelaide-Broken Hill Railway, South Australia
Collection Country Australia
Collection Notes scanned card