acanthus ilicifolius flowers.

acanthus ilicifolius flowers acanthaceae family ruellia bangladesh sundarbans beautiful color eco tourism environmental flower foliage harbaria hollyleaved holy mangrove horizontal landscape leaf leaves littoral makeshift forest natural plant wild doloariu dilivaria ilicifolia sea holly nivagur tropical scenic beauty sundarban national park sundari seedlings unesco world heritage vegetation sundarbon sanctuary woodland largest young tree alisi selective focus shallow depth field background blur