Onagraceous \On`a*gra"ceous\ ([o^]n`[.a]*gr[=a]"sh[u^]s),
Onagrarieous \On`a*gra*ri"e*ous\ (-gr[asl]*r[imac]"[-e]*[u^]s),
a. [From NL. Onagra an old scientific name of the evening
primrose ({[OE]nothera}), fr. Gr. 'ona`gra a kind of plant;
of uncertain origin.] (Bot.)
Pertaining to, or resembling, a natural order of plants
({Onagraceae} or {Onagrarieae}), which includes the fuchsia,
the willow-herb ({Epilobium}), and the evening primrose
({[OE]nothera}).
[1913 Webster]