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black-eyed Susan

black-eyed Susan or yellow daisy, North American daisylike wildflower (Rudbeckia hirta) of the family Asteraceae (aster family) with yellow rays and a dark brown center. It is a weedy biennial or annual and grows in dry places. The black-eyed Susan and the other rudbeckias are also called yellow coneflowers. The most widely cultivated is the golden glow (R. laciniata hortensia), a tall double-blossomed perennial. Black-eyed Susans are classified in the division Magnoliophyta, class Magnoliopsida, order Asterales, family Asteraceae.

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"black-eyed Susan." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. 15 Dec. 2017 <http://www.encyclopedia.com>.

"black-eyed Susan." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (December 15, 2017). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/black-eyed-susan

"black-eyed Susan." The Columbia Encyclopedia, 6th ed.. . Retrieved December 15, 2017 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/black-eyed-susan

black-eyed Susan

black-eyed Su·san • n. any of a number of flowers that have yellowish petals and a dark center, in particular Rudbeckia hirta, a North American flower of the daisy family with bristly leaves and stems.

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"black-eyed Susan." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. 15 Dec. 2017 <http://www.encyclopedia.com>.

"black-eyed Susan." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. (December 15, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/black-eyed-susan

"black-eyed Susan." The Oxford Pocket Dictionary of Current English. . Retrieved December 15, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/black-eyed-susan