pin-eyed
adjective
(of flowers, esp primulas) having the stigma in the mouth of the corolla, on the end of a long style with the stamens lower in the tubeCompare thrum-eyed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Examples from the Web for pin-eyed
Historical Examples of pin-eyed
They have been long known to children and gardeners, who call them thrum-eyed and pin-eyed.
The Beauties of NatureSir John Lubbock
The former occur in the so-called thrum-eyed primroses (fig. 61), the latter in the “pin-eyed.”