Pronunciation: ˌ glo ̇ r- ē - ' ō -s ə -, -z ə -
Function: noun
Etymology: gloriosa from New Latin, literally, glorious
Date: 1962
: a black-eyed Susan ( Rudbeckia hirta ) of either of two tetraploid cultivars with large single or double yellow, orange, maroon, or bicolored flowers