Many of the inhabitants are the well-known Banyan merchants of the east coast of Africa and Arabia.
The oleander grows here to be a tree, and there is a banyan tree, said to be the only one growing out of doors in the United States.
The tamarind and banyan are also noteworthy.
The intermediate tract is a region of rich cultivation, dotted with great banyan trees, thickets of bamboos, exquisite palm foliage and mango groves.
There is also in these districts a Hindu element in the population, for intercourse has also been maintained for some centuries between India and northern Madagascar, and in some towns the Banyan Indian element is as prominent as the Arab element.