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Binomial name; Rudbeckia fulgida. ... The flower discs or center cones are 12–16 millimetres (0.47–0.63 in) tall and 10–18 millimetres (0.39–0.71 in) wide ...
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.
This is a list of plants organized by their common names. However, the common names of plants often vary from region to region, which is why most plant encyclopedias refer to plants using their scientific names , in other words using binomials or "Latin" names.
Eastern coneflower is a common name for several plants and may refer to: Echinacea purpurea, with purple flowers; Rudbeckia fulgida, with yellow or orange flowers
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Previously R. auriculata has been treated as a variety of R. fulgida Aiton.However, in 1957 it was noted that it varied considerably from R. fulgida var. fulgida, such that treating it as a variety would conflict with species concepts within Rudbeckia, [4] consequently in 1975 'R. fulgida var. auriculata' gained species status becoming R. auriculata.
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 ...