Pollen and Spore Atlas

Apium prostratum APIACEAE

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equatorial view
equatorial 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 tricolporate reticulate 22.0 24.0 23.0 14.0 17.0 15.0 prolate circular monad

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Wall Thickness 1.2
Pore Shape(s) lalongate
Morphology Notes Tricolporate. Prolate in ev, rounded with indented apertures in pv. Pore lalongate, with patterned pore, interrupted by colpus. 23 (22-24) x 15 (14-17). Exine 1.2, slightly thickened at poles; sexine lt nexine. Reticulate, with thickened muri.

Ecology and Geography

Plant Type Cotyledon Type Floristic Region(s)
angiosperm dicot Australia (south coast),
East Pacific Islands

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Ecology Notes [Labill. ex Vent]
Habitat Notes Noted by Skottsberg in 1920 as a live plant on Rapa Nui (Easter Island).
Herbarium Link:


Collector ANU Access Code
J. Z. Weber 1559 (AD) 6423

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Collection Site Horse-shoe Bay, Port Elliot, Fleurieu Peninsula, South Australia
Collection Country Australia
Collection Notes scanned card