Pollen and Spore Atlas

Sonneratia caseolaris LYTHRACEAE

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equatorial view
equatorial view


Pollen / Spore Morphologic Type(s) Surface Pattern(s) Equatorial Size Equatorial Shape(s) Grain Arrangement(s)
min max mean
pollen triporate verrucate 73.5 78.0 75.4 prolate monad

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Aperture Count(s) 3
Wall Evenness(es) even
Wall Thickness 2.11
Pore Shape(s) circular
Pore Size 9.28
Morphology Notes Rounded triangular in pv. Pores circular and protruding. Exine 1.8 u thick, sexine smaller than nexine. Mesocolpial area coarsely scabrate, with size of units smaller toward poles.

Ecology and Geography

Plant Type Cotyledon Type Floristic Region(s) Habit Terrestrial(s)
angiosperm dicot Papua New Guinea (lowland) tree

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Vegetation Community(-ties) open forest
Common Name crabapple mangrove
Ecology Notes Percival, M. and Womersley, J. S. (1975) Floristics and ecology of the mangrove vegetation of Papua New Guinea. Botany Bulletin No.8. Department of Forests. Division of Botany, Lae Papua New Guinea.
Habitat Notes Frequent on tidal mud flats in mangroves and along deep muddy river-banks. Often restricted to riverine sites that are inundated by most tides.Tolerant of less saline parts of the mangrove community to Sonneratia alba. A pioneering mangrove species; intolerant of shade and only regnerates on bare or near-bare mud-banks.
Herbarium Link:


Collector ANU Access Code
Havel & Kairo NGF17198 11521

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Collection Site Morobe Province, Lae District, opening of Labu Swamp
Collection Country Papua New Guinea
Collection Latitude & Longitude -6.45, -146.55
Collection Altitude 0.0
Collection Notes Photographed scanned card