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Rudbeckia (/ r ʌ d ˈ b ɛ k i ə /) [4] is a plant genus in the Asteraceae or composite family. [ 5 ] [ 6 ] 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 .
Rudbeckia hirta is an upright annual (sometimes biennial or perennial) growing 30–100 cm (12–39 in) tall by 30–45 cm (12–18 in) wide.It has alternate, mostly basal leaves 10–18 cm long, covered by coarse hair, with stout branching stems and daisy-like, composite flower heads appearing in late summer and early autumn.
Rudbeckia triloba, [2] the browneyed or brown-eyed susan, thin-leaved coneflower or three-leaved coneflower, [3] is a species of flowering plant in the family Asteraceae with numerous, yellow, daisy-like flowers. It is native to the central and eastern United States and is often seen in old fields or along roads. It is also cultivated as an ...
Rudbeckia laciniata, the cutleaf coneflower, [1] is a species of flowering plant in the family Asteraceae. It is native to North America, where it is widespread in both Canada and the United States. [ 2 ]
Rudbeckia fulgida, the orange coneflower [1] or perennial coneflower, [2] is a species of flowering plant in the family Asteraceae, native to eastern North America. Description [ edit ]
Rudbeckia auriculata (Perdue) Kral., commonly known as the eared coneflower, [2] is a species of flowering plant in the Asteraceae Bercht. & J.Presl. , native to acid bogs in the southeast United States.
Rudbeckia grandiflora, commonly called rough coneflower, [1] is a species of flowering plant in the family Asteraceae. Description. Growing wild in Arkansas.
Rudbeckia maxima, the great coneflower, [1] is a flowering plant in the family Asteraceae, which is used as an ornamental plant. They can reach a maximum height of eight feet. They can reach a maximum height of eight feet.