Plant Series

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A series of celosia plants on various day lengths; they show a graded response to day length. (Yearbook of Agriculture, 1961.)

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Size: 4438px × 3117px
Photo credit: © Photo Researchers / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: bw, celosia, cockscombs, ornamental, plant, plants, potted, series, woolflowers