Ĭn′/fun-dĭb′ū-lĭ-fōrm or In-fŭn′/di-bŭ′/li-fōrm, a.

adjective

a. [Fr. infundibuliforme, from Lat. infundibulum, funnel, and forma, form. See supra.]

  1. Having the form of a funnel; funnel-shaped.
  2. (Bot.) Having the form of a tube, enlarging gradually below and spreading widely at the summit; funnel-form; — said of monopetalous corollas.
A botanical engraving of a long tubular flower with flared, irregular petals and a narrow stalk.