NYCTAGINACEOUS

/nik'teuh jeuh nay"sheuhs/ , adj.

belonging to the Nyctaginaceae, the four-o'clock family of plants. Cf. four-o'clock family .

[ Nyctagin- (s. of Nyctago old name of genus, equiv. to nyct- NYCT- + L -ago n. suffix) + -ACEOUS ]