acanthaceous

[ ak-uh n-they-shuh s ]
/ ˌæk ənˈθeɪ ʃəs /

adjective

having prickly growths.
belonging to the plant family Acanthaceae.
Compare acanthus family.

Origin of acanthaceous

1745–55; < New Latin Acanthace(ae) (see acanthus, -aceae) + -ous

British Dictionary definitions for acanthaceous

acanthaceous
/ (ˌækənˈθeɪʃəs) /

adjective

of or relating to the Acanthaceae, a mainly tropical and subtropical family of flowering plants that includes the acanthus
having spiny or prickly outgrowths