pineapple weed(n = noun.plant) matricaria matricarioides, rayless chamomile - annual aromatic weed of Pacific coastal areas (United States and northeastern Asia) having bristle-pointed leaves and rayless yellow flowers;
is a kind of herb, herbaceous plant
is a member of genus matricaria, matricaria
ague weed, alligator weed, butterfly weed, cancer weed, consumption weed, crazy weed, devil's weed, dill weed, dyer's weed, french weed, ghost weed, horsefly weed, jamestown weed, jimson weed, joe-pye weed, klammath weed, mad-dog weed, orchilla weed, pickerel weed, pineapple, pineapple family, pineapple guava, pineapple juice, pineapple plant, polecat weed, rattle weed, rattlesnake weed, rheumatism weed, scorpion weed, spotted joe-pye weed, stemless golden weed, stinking weed, styptic weed, trumpet weed, turpentine camphor weed, turpentine weed, weed, weed killer, weed out