Plant Form biennial erect herb to 200 cm tall; stems naked or bristly. Leaves deeply divided with wide lobes or entire, glaucus, upper ones with stem-clasping bases; usually held in same orientation vertically. Flowerheads yellow, many in large, rounded panicle, small, of dandelion type with only ligulate florets. Fruits with ribbed, flattened body 3-4 mm and beak 3-4 mm long, pappus (parachuting hairs) 3 mm long. Distinguishing Features Leaves with wider lobes than in Lactuca saligna and usually held in same orientation vertically.
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