<i>Cytisus scoparius</i>, Common Broom. 1. Two-lipped calyx. 2. Broadly ovate vexillum or standard. 3. One of the alae or wings of the corolla. 4. Carina or keel. 5. Monadelphous stamens. 6. Hairy ovary with the long style, thickened upwards, and spirally curved.
Encyclopædia Britannica
1911
fragment of <a href="//commons.wikimedia.org/wiki/File:1911_EB_Common_Broom_shrub.png" title="File:1911 EB Common Broom shrub.png">commons.wikimedia.org/wiki/File:1911 EB Common Broom shrub.png.png</a> (original upload source: <a href="https://en.wikipedia.org/wiki/Encyclop%C3%A6dia_Britannica_Eleventh_Edition" class="extiw" title="en:Encyclopædia Britannica Eleventh Edition">en:Encyclopædia Britannica Eleventh Edition</a>, Vol. 4, Page 650. Cleaned version of scanned EB image taken from <a rel="nofollow" class="external text" href="http://projects.ericshalov.com/freeimages/image.php?id=348">http://projects.ericshalov.com/freeimages/image.php?id=348</a>).