n. 百日草

[ noun ]
any of various plants of the genus Zinnia cultivated for their variously and brightly colored flower heads
<noun.plant>

Zinnia \Zin"ni*a\, n. [NL. So called after Professor Zinn, of
G["o]ttingen.] (Bot.)
Any plant of the composite genus {Zinnia}, Mexican herbs with
opposite leaves and large gay-colored blossoms. {Zinnia
elegans} is the commonest species in cultivation.