tickseed sunflower

Definitions of tickseed sunflower

n North American bur marigold with large flowers

Bidens coronata, Bidens trichosperma
Type of:
beggar's-ticks, beggar-ticks, bur marigold, burr marigold, sticktight
any of several plants of the genus Bidens having yellow flowers and prickly fruits that cling to fur and clothing

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