a. Bot. [f. prec. + -AL 1.] Having the distinctive property of an epiphyte.
1854. Hooker, Himal. Jrnls., I. i. 24. Additional epiphytal orchidaceous plants.
1872. Oliver, Elem. Bot., II. 266. Many of the tropical species [of Orchids] are called ‘air-plants,’ from their being epiphytal.
