Any of a number of plants producing a large number of seeds for their size.
Species in several families, in particular the small Radiola linoides (family Linaceae) of Europe‘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.’
- ‘Polycarpon tetraphyllum (fourleaf allseed) is a widespread weed of gardens, limestone areas and woodlands from Exmouth to Bunbury.’
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