AMARANTHINE
amaranthine, unfading
(adjective) of an imaginary flower that never fades
amaranthine
(adjective) of or related to the amaranth plant
Source: WordNet® 3.1
Etymology
Noun
amaranthine (countable and uncountable, plural amaranthines)
A dark reddish-purple colour.
The amaranth flower.
Adjective
amaranthine (comparative more amaranthine, superlative most amaranthine)
Of a dark reddish purple colour.
Unfading, eternal, immortal, infinite.
Relating to the mythical amaranth flower that never fades.
Relating to, or having the form of plants of the genus Amaranthus.
Source: Wiktionary
Am`a*ran"thine, a.
1. Of or pertaining to amaranth. "Amaranthine bowers." Pope.
2. Unfading, as the poetic amaranth; undying.
They only amaranthine flower on earth Is virtue. Cowper.
3. Of a purplish color. Buchanan.
Source: Webster’s Unabridged Dictionary 1913 Edition