noun

• Any of a number of plants producing a great deal of seed for their size, such as knotgrass and goosefoot.

  ‘Towards the sea, a second, lower plateau has more sandy soils, supporting a taller scrub composed of rather calcifuge species such as gum and sage-leaved cistuses and green heather, with open ground hosting the diminutive allseed and yellow centaury.’

  More example sentences

  • ‘Polycarpon tetraphyllum (fourleaf allseed) is a widespread weed of gardens, limestone areas and woodlands from Exmouth to Bunbury.’