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1 Rays showy, mostly > 10 mm long; [plant cultivated, rarely occurring as a waif]. | |
2 Peduncles conspicuously swollen and hollow below the flower; involucre 15-20 mm high; achenes 7-10 mm long | |
2 Peduncles not conspicuously swollen and hollow below the flower; involucre 10-15 mm high; achenes 4-7 mm long |