How to grow: Plectranthus argentatus - Telegraph.
Plectranthus, with some 350 species, is a genus of warm-climate plants occurring largely in the Southern Hemisphere, in sub-Saharan Africa, Madagascar, India and the Indonesian archipelago down to Australia and some Pacific Islands. They are closely related to Solenostemon and are known as the spurflowers.Several species are grown as ornamental plants, as leaf vegetables, as root vegetables.
Plectranthus in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2014 June 16. Tropicos.org 2014. Plectranthus. Missouri Botanical Garden. Published on the internet. Accessed: 2014 June 16. International Plant Names Index. 2014. Plectranthus. Published.
Plectranthus rotundifolius is an aromatic, perennial, semi-succulent plant producing erect or decumbent stems that can be 30 - 100cm long from a tuberous rootstock. The plant forms new tubers in clusters around the bases of the stems.
How to Propagate Plectranthus. The genus Plectranthus includes more than 350 species of annual and perennial plants, including commonly grown ornamentals such as Cuban oregano (P. amboinicus.
Plectranthus are part of the mint family and closely related to Solenostemon (coleus). Noteworthy CharacteristicsMany species are fast-growing. Attractive, aromatic, soft foliage which often has scalloped, toothed or wavy edges. CarePlectranthus needs well-drained soil of moderate fertility in dappled shade. If grown indoors, provide full light but with protection from hot sun. Water freely.
Plectranthus amboinicus, once identified as Coleus amboinicus, is a semi-succulent perennial plant in the family Lamiaceae with a pungent oregano-like flavor and odor.The origin of Plectranthus amboinicus is unknown, but it may be native to Africa, and possibly India.Plectranthus amboinicus is widely cultivated and naturalized elsewhere in the tropics where it is used as a spice and ornamental.
Plectranthus is a large and widespread genus with a diversity of ethnobotanical uses. The genus is plagued with numerous nomenclatural disharmonies that make it difficult to collate accurate data.