However, when occurring in coastal regions, it provides good indication that the soil is dry and out of the littoral and inundation zone since " G . sumatranum " will not normally tolerate sandy or boggy soil.
12.
But above all, it is a coming together of multiple factors : a very mild maritime climate, but one prone to gales and salt winds; waterlogged and boggy soils, but ones that often parch and dry out in the summer; soils of greatly contrasting fertility and pH; and lastly man's influence.
