Anagallis arvensis two flowers mentioned in the Tirukkural. "The Scarlet Pimpernel" is the alias of Sir Percy Blakeney in the novel of the same name by Baroness Emma Orczy. Anagallis arvensis Scarlet pimpernel, commonly known as blue-scarlet pimpernel, red pimpernel, red chickweed, poorman's barometer, poor man's weather-glass, shepherd's weather glass or shepherd's clock, is a low-growing annual plant. The native range of the species is Europe and Western Asia and North Africa. The species has been distributed widely by humans, either deliberately as an ornamental flower or accidentally. "A. arvensis" is now naturalised almost worldwide, with a range that encompasses the Americas,
Black Knight (Sir Percy) foe of the evil knight Mordred the Evil (Arthur's traitorous "nephew") and Morgan le Fay, in time Sir Percy retired his dual identity and married Lady Rosamund. Percy is eventually killed at Castle Scandia by Mordred during the fall of Camelot when stabbed from behind with an enchanted blade made of the same material as his own Ebony Blade - although Mordred then dies himself of wounds inflicted by Arthur during the Battle of Camlann earlier that day. Merlin ensures that Percy's spirit will live on by casting a spell that will revive his ghost if Mordred should ever return.