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