noun

• A hard egg-shaped gall which forms inside an artichoke bud in response to the developing larva of a gall wasp.

  The wasp is Andricus fecundator, family Cynipidae

  ‘Apparently it was an oak hop gall or artichoke gall, caused by the gall wasp Andricus fecundator.’

  More example sentences

  • ‘The trees show the remains of their early flowers and one of the trees has many artichoke galls growing at the tips of its shoots.’