A thistle-like plant, Tridax procumbens (family Asteraceae (Compositae)), having cream-coloured rays and yellow disc and widely naturalized in the Caribbean.
Origin
1930s; earliest use found in The Daily Gleaner.
Definition of rabbit thistle in US English:
rabbit thistle
noun
Caribbean rare
A thistle-like plant, Tridax procumbens (family Asteraceae (Compositae)), having cream-coloured rays and yellow disc and widely naturalized in the Caribbean.