There has been a lot of scientific argument about how this species should be identified as well as how many relatives it has.

  • The plant is 20-70cm tall and survives for many years
  • Its leaves are covered in hairs and can be as long as 22cm
  • The edges of the flowers are flat and not rolled
  • The flower stalks break off in the middle or near the top
  • The styles are straight and do not protrude far out of the flower
  • The fruits are white or green, sometimes with spots and stripes