File:EB1911 Flower - male flower of Parietaria officinalis.jpg

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EB1911_Flower_-_male_flower_of_Parietaria_officinalis.jpg (275 × 238 pixels, file size: 21 KB, MIME type: image/jpeg)

Description
English: Drawing of a male flower of pellitory (Parietaria officinalis), having four stamens with in-curved elastic filaments, and an abortive pistil in the centre. When the perianth (p) expands, the filaments are thrown out with force as at a, so as to scatter the pollen.
Date published 1911
Source Encyclopædia Britannica (11th ed.), v. 10, 1911, “Flower,” fig. 83, p. 568.
Author Unknown authorUnknown author
Permission
(Reusing this file)
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.

File history

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Date/TimeThumbnailDimensionsUserComment
current15:58, 5 July 2017Thumbnail for version as of 15:58, 5 July 2017275 × 238 (21 KB)Bob Burkhardt{{Information |Description ={{en|1=Drawing of a male flower of pellitory (''Parietaria officinalis''), having four stamens with in-curved elastic filaments, and an abortive pistil in the centre. When the perianth (''p'') expands, the filaments are t...