flavescent,a.|fleɪˈvɛsənt| [ad. L. flāvēscent-em, pr.pple. of flāvēscĕre to become yellow, f.flāv-us yellow.] Turning a pale yellow, yellowish. 1853in Gray Bot.Text-bk. (ed. 4) cited in Worcester (1860).1871W. A. Leighton Lichen-Flora 46 Spores..colourless or flavescent.