allamanda purple-violet (allamanda blanchetii) flowers in bloom : (pix sanjiv shukla)

allamanda blanchetii purple violet violacea family apocynaceae perennial flowering plant native brazil cultivated ornamental grows full sun pink bellshaped bloom flower red bell stem fiber strong silky white chemical treatment common trumpet vine tendril shrub americas evergreen latex leaves whorls inflorescence corolla funnelshaped traditional medicine riverbanks sunny rainfall naturalized tropics invasive species wild grow open perpetually moist substrate sensitive frost propagate cuttings