Source : Webster's Revised Unabridged Dictionary (1913)

Flannel flower \Flan"nel flow`er\ (Bot.)
   (a) The common mullein.
   (b) A Brazilian apocynaceous vine ({Macrosiphonia
       longiflora}) having woolly leaves.
   (c) An umbelliferous Australian flower ({Actinotus
       helianthi}), often erroneously thought to be composite.
       The involucre looks as if cut out of white flannel.