Sophora toromiro FABACEAE

Sample information

Sample ID129-102-8
Common nameMiro


Pollen / Sporepollen
Morphologic typetricolporate
Surface patternpsilate
Equatorial sizemean 17.5
Polar sizemean 17.5
Equatorial shapecircular
Polar shapecircular
Grain arrangementdicot
Pore surface shapecircular
Exine typetectate
Columella visible?True
Morphology notesTricolporate. Spheroidal in shape. Pore aperture large round and thick. Exine structure 1.25 thick, psilate with columnellae barely visible.

Ecology and Geography

Plant typeangiosperm
Floristic region(s)East Pacific Islands
Vegetation communitiesherbland, open forest
Habitat notesEndemic to Rapa Nui (Easter Island). The last tree seen growing alive in the wild was in the crater Rano Kao by Heyerdahl in 1958. Seed were collected and given to Kew which have been attempted to reintegrate back to the island. A couple of trees are growing in cultivated gardens by CONAF. The tree generally grows between boulders which sheltered from wind and provided moisture to the tree. Some seeds can float with viability in sea water for up to 3 years.


Collection siteIsla de Pascua, Easter Island, Rapa Nui
Collection countryChile

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