pineapple weed

Từ điển WordNet v3.1 - WordNet Dictionary

noun

annual aromatic weed of Pacific coastal areas (United States and northeastern Asia) having bristle-pointed leaves and rayless yellow flowers
• Syn:
rayless chamomile, Matricaria matricarioides
• Regions:
United States, United States of America, America, the States, US,
U.S., USA, U.S.A.
• Hypernyms:
herb, herbaceous plant
• Member Holonyms:
Matricaria, genus Matricaria