bitterweed

Noun

bit=ter=weed

WORDNET DICTIONARY

bitterweed(n = noun.plant) bristly oxtongue, bugloss, oxtongue, picris echioides - widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States; Array

is a member of genus picris, picris

is a kind of weed

bitterweed(n = noun.plant) ambrosia, ragweed - any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma; Array

is a member of genus ambrosia

has particulars: ambrosia artemisiifolia, common ragweed, ambrosia trifida, great ragweed, ambrosia psilostachya, perennial ragweed, western ragweed

is a kind of weed

bitterweed, n.

A species of Ambrosia (Ambrosia artemisiæfolia); Roman worm wood. Gray. [1913 Webster]

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