combining form of THYRSUS, used in a few botanical terms. Thyrsiferous a. [-FEROUS], bearing thyrsi or contracted panicles. Thyrsiflorous a. [L. flōs, flōr- flower], having the flowers in thyrsi. Thyrsiform a., having the form of a thyrsus, thyrsoid.
1895. Funks Stand. Dict., Thyrsiferous.
1860. Mayne, Expos. Lex., Thyrsiflorous.
1866. Treas. Bot., 1150. Thyrse (adj. Thyrsiform).
1880. Gray, Struct. Bot. (ed. 6), I. 159. A thyrsus or thyrsiform inflorescence.