Drosera novae-caledoniae on iron cap. This genus likes generally peat swamps but the New-Caledonian species grows on dry rocky grounds.
Dracophyllum, grows in the bush on "terrains miniers"
(ultrabasic rocks) but also in dry bush over siliceous soils.
Dracophyllum is a genus from both New-Caledonia and New-Zealand (on
high grounds). In Australia, genus Richea is very close to Dracophyllum.
Epacridaceae family (Contribution Frédéric Bec)

"Gaiac" (Acacia spirorbis) flower, this beautiful tree grows on all kinds of grounds and mostly on ultrabasic rocks (serpentinites) . Its flowers have light perfume like mimosa.