Young pignut hickories ready to go forth and multiply.
HatTip: Bobal, aka al-bob and of recent, Bard-I-Ho
Definitions of 'bitter pignut'
1. (noun) bitternut, bitternut hickory, bitter hickory, bitter pignut, swamp hickory, Carya cordiformis
hickory of the eastern United States having a leaves with 7 or 9 leaflets and thin-shelled very bitter nuts.