Alstonia actinophylla APOCYNACEAE

Sample information

Sample ID251-6-2b
Common namemilkwood


Pollen / Sporepollen
Morphologic typedicolporate
Surface patternreticulate
Equatorial sizemin 22, mean 24.5, max 27
Polar sizemin 24.5, mean 25.7, max 27
Equatorial shapeoblate
Polar shapecircular
Grain arrangementdicot
Aperture count2
Pore surface shapelalongate
Wall thickness1.2
Wall evennesseven
Dispersal formmonad
Morphology notes2-colporate. Oblate spheroidal in ev, subcircular in pv. Pore large, slightly lalongate. 24 (22-27) x 26 (24-27). Exine 1.2, reticulate.

Ecology and Geography

Plant typeangiosperm
Floristic region(s)Australia (tropical)
Vegetation communitiesopen forest, woodland
Ecology notesBrock, J. (2001) Native plants of northern Australia. Reed New Hollan Press, Sydney.
Habitat notesOpen forest / woodland. Coastal monsoon vine-thicket on stabilised dunes. Monsoon forest and fringe woodland associated with lowland freshwater areas. Vine thickets on rocky outcrops in open woodland (Brock, 2001).


CollectorAnne & Mark Myerscough
InstitutionCharles Darwin University
ANU access code17010
Collection methodfloral reference
Herbarium sample?False
Collection siteCasuarina Coastal Reserve, Darwin, Northern Territory
Collection countryAustralia
Collection date2004-08-12
Collection notesKimberley Region, Western Australian Pollen Flora
Equatorial view
Polar view
Surface pattern
Wall view
Aperture view
Unique feature