Autumn Purples
Common or Black knapweed (Centaurea nigra) or Mínscoth/Mullach dubh in Irish is common on roadside verges, grasslands and wastelands from July to September. (1) Superficially the plant looks like a thistle because of its deep purple flowers and similar flowerhead but on close inspection it will be noticed that it possesses no prickles. The dark brown…