ˌpärkənˈsōnēə, ˌpȧk-, -nyə noun
Usage: capitalized
Etymology: New Latin, from John Parkinson died 1650 English botanist + New Latin -ia
: a small genus of spiny shrubs or small trees (family Leguminosae) with minute pinnate early deciduous leaves and racemose yellow flowers with a valvate calyx — see jerusalem thorn