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GROWTH HABIT: Is a perennial, 2 to 10 feet tall.
LEAVES: Leaves are opposite or sometimes nearly all alternate, ovate to narrowly lanceolate, with entire or serrated edges.
STEMS: Smooth to rough stems grow erect, arising from a cluster of enlarged, tuberous roots with short, thick rhizomes.
FLOWER: The flower heads are few and at the end of long peduncles. Clusters of flowers appear in late summer. Flowers are approximately 2 inches across.
ROOTS:
SEEDS:
OTHER:
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