43. Lianas are vascular plants rooted in the ground and maintain erectness of their stem by making use of other trees for support. They do not maintain a direct relationship with those trees. Discuss the type of association the lianas have with the trees.
43. Lianas are vascular plants rooted in the ground and maintain erectness of their stem by making use of other trees for support. They do not maintain a direct relationship with those trees. Discuss the type of association the lianas have with the trees.

Solution – The association in which one is Lianas and other is trees is commensalism . In such type of association  one species is benefitted and the other is neither benefitted nor harmed . The Lianas plant has a long flexible stem, it gets the support of the tree without harming or providing any benefit to the tree.