pineapple weed

pineapple-weed的词性：
n.（名词）

1. A strongly aromatic, western North American plant (Matricaria matricarioides) having greenish-yellow discoid flower heads and an odor of pineapple when crushed.
香甘菊：北美洲西部十分芳香的植物（月花母菊 母菊属） 有黄绿筒状花冠，弄碎时有菠萝香