Tendrillar stipules occur in
Smilax
There are different types of stipules present in plants such as lateral, ventral, scaly, intrapetiolar, interpetiolar, ochreate, spinous, tendrillar. In ochreate, the stipules are in the form of a tubular sheath around the internode. These are seen in leafy vegetables like Rumex and Polygonum. Foliaceous stipules occur in Lathyrus aphaca. Tendrillar stipules occur in Smilax. Thus, the correct answer is 'Smilax.'