Rudbeckia hirta, commonly called black-eyed Susan, is a North American flowering plant native to Eastern and Central North America and naturalized in the Western part of the continent. It is the state flower of Maryland. Rudbeckia is an upright annual (sometimes biennial or perennial) It has alternate, mostly basal leaves, covered by coarse hair, with stout branching stems and daisy-like, composite flower heads appearing in late summer and early autumn..

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