Rudbeckia是菊科植物的一属。俯视图，平铺，微距拍摄。Rudbeckia花朵的中央盘突出，呈黑

ia is a plant genus in the Asteraceae or composite family. Top view, flat lay, macro shot. Rudbeckia flowers feature a prominent, raised central disc in black, brown shades of green, and in-between tones, giving rise to their familiar common names of coneflowers and black-eyed-susans. All are native to North America, and many species are cultivated in gardens for their showy yellow or gold flower heads that bloom in mid to late summer.

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