Remembrance poppy a pin in the lapel or buttonhole. In Scotland, the poppies are curled and have four petals with no leaf. The yearly selling of poppies is a major source of income for the RBL in the UK. The poppy has no fixed price; it is sold for a donation or the price may be suggested by the seller. The black plastic centre of the poppy was marked "Haig Fund" until 1994 but is now marked "Poppy Appeal". A team of about 50 people—most of them disabled former British military personnel—work all year round to make millions of poppies at the
Shirley poppy the wild poppies these had no dark blotches at the base of the petals. Further selection has given rise to semi-double and double forms, as well as flowers with a ring of contrasting colour around the edge: the picotee form. The striking example of deviation from a wild type under artificial selection provided by the Shirley poppy attracted the attention of pioneer geneticists and biometricians. The biometrician Karl Pearson used the Shirley poppy to study his ideas of homotyposis, which he defined as “the quantitative degree of resemblance to be found on the average between the like parts of organisms”.