Violet Tubeflower
NameViolet Tubeflower
Scientific NameIochroma cyaneum
Common NamesViolet Tubeflower, Cloud Flower, Blue Angel's Trumpet
Plant FamilySolanaceae
Natural HabitatNative to the cloud forests and montane regions of the Andes in South America, particularly Peru and Ecuador. It thrives in well-drained, fertile soil in full sun to partial shade.
Parts Usedleaf,flower
Medicinal Actionsanalgesic,sedative
Traditional UsesDue to its potent tropane alkaloid content, Iochroma species have been traditionally used by indigenous Andean peoples for ritualistic, hallucinogenic, and medicinal purposes, often as a powerful analgesic or sedative. These uses are highly controlled and carry significant risks due to the plant's toxicity.
Active ConstituentsTropane alkaloids
Preparation Methodstincture,poultice,powder
Contraindications & WarningsALL Iochroma species are considered highly toxic due to the presence of tropane alkaloids (e.g., scopolamine, atropine, hyoscyamine). Ingestion can cause severe anticholinergic poisoning, leading to hallucinations, delirium, tachycardia, dry mouth, blurred vision, and potentially death. It should not be used internally without expert supervision and is generally not recommended for self-medication. Avoid during pregnancy, lactation, and in individuals with glaucoma, heart conditions, or prostate enlargement.
Cultivation NotesPrefers full sun to partial shade and well-drained, fertile soil. It is somewhat drought-tolerant once established but benefits from regular watering. Can be grown in USDA zones 9-11 and should be protected from frost. Propagates easily from cuttings.
Raritycommon
Description
Iochroma cyaneum is an evergreen shrub or small tree, typically growing 6-10 feet tall, characterized by its soft, ovate leaves and abundant clusters of pendulous, tubular, deep violet-purple flowers. These striking flowers bloom for extended periods, making it a popular ornamental plant.
