FLOS'CULOUS, adjective [infra.] In botany, a flosculous flower is a compound flower, composed entirely of florets with funnel-shaped petals, as in burdock, thistle and artichoke. This is the term used by Tournefort. For this Linne used tubulous.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI