Allamanda blanchetii seeds grow into the purple allamanda or violet allamanda — a scrambling shrub native to the seasonally dry tropical biome of north-eastern Brazil. Described by A.DC. (Alphonse de Candolle). The epithet blanchetii honours Jacques Samuel Blanchet (1807–1875), the Swiss botanist who collected plants in Brazil and of whom many Brazilian plants are named. Produces striking large (7–9 cm) purple to violet bell-shaped flowers over a long season; shrubby and scrambling with fibrous stems from which silky-white fibre can be extracted. Used as a medicine and for environmental purposes. All parts toxic. One of the most popular ornamental Allamanda species due to its unusual purple flowers (most Allamanda produce yellow flowers). Family Apocynaceae.Full sun; well-drained soils; warm tropical conditions; drought-tolerant once established. All parts toxic — handle with care. Protect from frost. 'Blanchetii' honours J.S. Blanchet (1807–1875), Swiss botanist and Brazilian plant collector; A.DC. Large purple to violet bells (unusual in genus — most Allamanda are yellow); all parts toxic; medicine uses NE. Brazil — seasonally dry tropical biome; scrambling shrub Genus Allamanda: S. Tropical America; ~12 species; Family Apocynaceae; Order Gentianales Full sun; well-drained soils; warm tropical; drought-tolerant; ALL PARTS TOXIC; Family Apocynaceae Allamanda blanchetii — the purple allamanda — is Brazil's spectacular violet-flowered representative of a genus otherwise dominated by golden-yellow blooms, its large bell-shaped flowers and drought tolerance making it a prized ornamental for warm-climate gardens, named after the Swiss botanist Jacques Blanchet who explored the Brazilian flora. IMPORTANT: Pictures show the adult plant, which is not for sale. The offer is only for seeds.