The Collaborative International Dictionary of English v.0.48:

Rufescent \Ru*fes"cent\ (r[.u]*f[e^]s"sent), a. [L. rufescens,
   p. pr. of rufescere to become reddish, fr. rufus red: cf. F.
   rufescent.]
   Reddish; tinged with red.
   [1913 Webster]