JOINTED CHARLOCK • FREE TRANSLATOR.ORG • Definition of Jointed charlock

... syncotylous seedlings may be used in the same way. They are more rarely met with, and in most instances seem to belong only to the unpromising half-races. The black bindweed (Polygonum Convolvulus), the jointed charlock (Raphanus Raphanistrum), the glaucous evening-primrose (Oenothera glauca) and many other plants seem to contain such half-races. On the other hand I found a plant of Centranthus macrosiphon yielding as much as 55% of syncotylous children [425] and thereby evidently betraying the nature of a ...

— Species and Varieties, Their Origin by Mutation • Hugo DeVries