Par·kin·so·nia | \ˌpärkənˈsōnēə, ˌpȧk-, -nyə\

Definition of Parkinsonia 

: 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

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History and Etymology for Parkinsonia

New Latin, from John Parkinson †1650 English botanist + New Latin -ia

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a state of commotion or excitement

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