1911 Encyclopædia Britannica/Thrum-eyed
THRUM-EYED, a botanical term for flowers which occur in two forms, one of which shows the stamens in the mouth of the corolla, as in the primrose, contrasted with pin-eyed (q.v.).
See also Heterostyly on Wikipedia; and our 1911 Encyclopædia Britannica disclaimer.
THRUM-EYED, a botanical term for flowers which occur in two forms, one of which shows the stamens in the mouth of the corolla, as in the primrose, contrasted with pin-eyed (q.v.).