imparipinnate compound leaf; odd-pinnate compound leaf
Botanical term for a pinnately compound leaf with a single terminal leaflet, resulting in an odd number of leaflets.
Rose leaves are often imparipinnate compound leaves.
偶数羽状複葉 is a paripinnate compound leaf, which lacks a terminal leaflet and has an even number of leaflets, in contrast to 奇数羽状複葉.
Compound of 奇数 (odd number), 羽状 (pinnate), and 複葉 (compound leaf). A straightforward descriptive term in botany.