compass flower

Từ điển WordNet v3.1 - WordNet Dictionary

noun

any of several plants having leaves so arranged on the axis as to indicate the cardinal points of the compass
• Syn:
compass plant
• Hypernyms:
composite, composite plant
• Hyponyms:
prickly lettuce, horse thistle, Lactuca serriola, Lactuca scariola, rosinweed, Silphium laciniatum
• Member Holonyms:
Compositae, family Compositae, Asteraceae, family Asteraceae, aster family