thrum-eyed

adjective

(of flowers, esp primulas) having the stigma on a short style below the anthers, which lie in the mouth of the corolla on big stamensCompare pin-eyed

Word Origin for thrum-eyed

C19: from thrum ², because of the ring of anthers visible at the neck of the corolla

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Examples from the Web for thrum-eyed

Historical Examples of thrum-eyed

They have been long known to children and gardeners, who call them thrum-eyed and pin-eyed.
The Beauties of Nature
Sir John Lubbock
Like the common primrose, the primula exhibits both pin-eyed and thrum-eyed varieties.
Mendelism
Reginald Crundall Punnett