Rudbeckia hirta

Royalty-free images by Mike1 — No. 129 of over 1200 images

Black-eyed Susans, West-Central Arkansas, July 27, 2018
Black-eyed Susans, West-Central Arkansas, July 27, 2018

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Rudbeckia hirta2

Rudbeckia hirta, commonly called black-eyed Susan, is a North American flowering plant in the sunflower family, native to Eastern and Central North America and naturalized in the Western part of the continent as well as in China. It has now been found in all 10 Canadian Provinces and all 48 of the states in the contiguous United States.

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. In the species, the flowers are up to 10 cm (4 in) in diameter, with yellow ray florets circling conspicuous brown or black, dome-shaped cone of many small disc florets. However, extensive breeding has produced a range of sizes and colours, including oranges, reds and browns.  (read more)


  1. I am sharing some of my public domain images in periodic blog posts.
  2. Rudbeckia hirta – Wikipedia

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