Pollen and Spore Atlas

Sonchus oleraceus ASTERACEAE

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equatorial view
equatorial view
polar view
polar view
surface pattern
surface pattern
aperture view
aperture view


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 4-colporate echinate 30.3 32.9 31.7 26.5 30.5 26.5 suboblate circular monad

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Aperture Count(s) 4
Wall Evenness(es) even
Pore Shape(s) circular
Colpus Length(s) < 1/3

Ecology and Geography

Plant Type Cotyledon Type Floristic Region(s) Habit Terrestrial(s) Cultivated
angiosperm dicot Papua New Guinea (highland) herb true

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Vegetation Community(-ties) herbland
Common Name smooth sow-thistle
Ecology Notes Has been cultivated for its eddible leaves by the maori of New Zealand.
Herbarium Link:


Collector ANU Access Code
ANU 459 115

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Collection Site Enga Province, Sirunki
Collection Country Papua New Guinea
Collection Notes Photographed