Australasian
Pollen and Spore Atlas
 

Siegesbeckia orientalis ASTERACEAE

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Code286-78-1

Images

equatorial view
equatorial view
polar view
polar view
surface pattern
surface pattern
wall view
wall view
aperture view
aperture view
unique feature
unique feature

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 tricolporate echinate 22.6 26.3 24.0 22.0 23.6 22.6 suboblate triangular (convex) monad

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Aperture Count(s) 3
Wall Evenness(es) even
Pore Shape(s) rhombic (broad)
Pore Position(s) corner
Colpus Length(s) < 1/3



Ecology and Geography

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

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Vegetation Community(-ties) herbland, open forest, woodland
Ecology Notes Synonyms: Siegesbeckia pubescens
Herbarium Link: http://www.anbg.gov.au/cpbr/herbarium/index.html



Collection

Collector ANU Access Code
J. M. Wheeler ANU 6080 1499

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Collection Site Western Highlands Province, Mount Hagen District, Mt Hagen
Collection Country Papua New Guinea
Collection Notes Photographed