Amaranthine

[,æmә'rænθain]

(adj.) of an imaginary flower that never fades .

(adj.) of or related to the amaranth plant .

Checker: Williams--From WordNet

(a.) Of or pertaining to amaranth.

(a.) Unfading, as the poetic amaranth; undying.

(a.) Of a purplish color.

Edited by Guthrie

a. Unfading, imperishable, undecaying, undying, immortal, perennial, ever-blooming, ever-vernal.

Inputed by Enoch