The brown rots of pomaceous and drupaceous fruits are due to fungi, at least one of which was first described by Persoon in 1796 as Torula fructigena. |
The fruit of the Hawthorn is a drupaceous pome, something between pome and drupe. |
Technically a walnut is the seed of a drupe or drupaceous nut, and thus not a true botanical nut. |
These features typically define a drupe, but it is generally named a drupaceous nut, or simply a nut. |