File:EB1911 Pollination - anther and pollen grain of Althaea rosea.jpg

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EB1911_Pollination_-_anther_and_pollen_grain_of_Althaea_rosea.jpg ‎(297 × 175 pixels, file size: 27 KB, MIME type: image/jpeg)

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Description
English: Drawing of hollyhock (Althaea rosea) enlarged: 1, anther; 2, pollen grain. The pollen grain bears numerous spines, the dark spots indicate thin places in the outer wall.
Date published 1911
Source “Pollination,” Encyclopædia Britannica (11th ed.), v. 22, 1911, fig. 8, p. 4.
Author Unknown authorUnknown author
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Public domain This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.
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current15:34, 24 July 2017Thumbnail for version as of 15:34, 24 July 2017297 × 175 (27 KB)Bob Burkhardt (talk | contribs){{Information |Description ={{en|1=Drawing of hollyhock (''Althaea rosea'') enlarged: 1, anther; 2, pollen grain. The pollen grain bears numerous spines, the dark spots indicate thin places in the outer wall.}} |Source =“Pollination,” ''...

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