Dictionary

senecio

noun se·ne·cio \si-ˈnē-sh(ē-ˌ)ō\
plural se·ne·cios

Definition of SENECIO

:  any of a large genus (Senecio) of widely distributed composite plants that have alternate or basal leaves and flower heads usually with yellow ray flowers
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Origin of SENECIO

New Latin, from Latin, old man, groundsel (from its hoary pappus), from sen-, senic-, senex old man
First Known Use: 1562
Medical Dictionary

senecio

noun se·ne·cio \si-ˈnē-sh(ē-ˌ)ō\

Medical Definition of SENECIO

1
capitalized :  a genus of widely distributed plants (family Compositae) including some containing various alkaloids which are poisonous to livestock
2
plural se·ne·cios :  any plant of the genus Senecio

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