Moluccella is a small genus of eight annual or perennial herbs, in the Mint Family (Lamiaceae), most of the species are native to parts of southwestern Asia. However, one species, Spiny Molucca (Moluccella spinosa) is also found in Spain, Italy, Greece, and northwestern Africa.
The best-known species is the annual, Bells of Ireland (Moluccella laevis), also known as Shell-flower, which is native to Anatolia, the Levant, Caucasus, Iran, Iraq, Pakistan, and Afghanistan. It is grown for its long racemes of flowers, which consists of large, green, campanulate, calyces that surround much smaller white or white & pink corollas. The plant is associated with Ireland due to the predominantly green color of the inflorescences, which are a popular as both a cut flower and garden ornamental.