Modified stem that shows both horizontal and oblique growth is

Sucker arises from lateral bud of underground portion of stem. It initially grows horizontally in the soil and later starts growing obliquely to come out of the soil and form foliage branch. Runners are horizontally growing sub-aerial branches or stem with several nodes and internodes. Stolons are initially aerial branches that eventually become sub-aerial. Offsets horizontally growing axillary short branches of few internodes with cluster of adventitious roots and rosette of leaves at each node.