unilobal
/juːnaɪˈloʊbəl/Definitions
1. adjective
Having one lobe or part; divided into or consisting of one lobe or part.
“The unilobal structure of the brain is a unique feature in human anatomy.”
2. noun
A leaf or other organ that is divided into one lobe or part.
“The unilobal leaf of the plant is an important characteristic in its identification.”