12) gall, in botany. The Columbia Encyclopedia, Sixth Edition. 2001
...Galls are commonly seen on oak and willow trees and on rose bushes, goldenrod, and witch hazel. The Hessian fly, the wheat midge, and the mites and midges that attack...

13) fruit. The Columbia Encyclopedia, Sixth Edition. 2001
...of the buttercup and the composite flowers; the caryopsis (grain); the nut (e.g., acorn and hazelnut); and the fruits of the carrot and parsnip (not to be confused...