Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Having the filaments of a flower united into two groups.
from The Century Dictionary.
- In botany, having stamens united in two sets by their filaments, the sets being equal or unequal; grouped together in two sets: as, diadelphous stamens. In papilionaceous flowers, out of ten stamens nine are often united, while one (the posterior one) is free. Also
diadelphian .
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective botany Having its
stamens fused together at least partly by thefilaments so that they form two separatebundles , or a bundle and a lone separate stamen.
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[di– + Greek adelphos, brother.]
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Examples
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"Nature," recalling your generalisation about the diadelphous structure, and now explaining the exception of Coronilla.
More Letters of Charles Darwin — Volume 2 Charles Darwin 1845
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It seems that Darwin did not know that the staminal tube in the diadelphous Leguminosae serves as a nectar-holder, and this is surprising, as Sprengel was aware of the fact.)
More Letters of Charles Darwin — Volume 2 Charles Darwin 1845
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