I didn't find in Dr. Duke's database, any information about the uses of Brugmansia insignis
Here is some basic information about Brugmansia insignis.
Brugmansia insignis basic info
Scientific Name: Brugmansia insignis (Barb. Rodr.) Lockwood ex R. E. Schult..
Brugmansia insignis is a South American species of Angel Trumpet with large, fragrant flowers. They are endemic to the upper Amazon region, at the eastern base of the Andes mountains of Peru. The IUCN has listed this species as Extinct in the Wild. - for more info about Brugmansia insignis See link
Brugmansia insignis in other websites
Brugmansia insignis common names, economics importance, distributional range and more in the USDA GRIN website - See link
Search PubMed (US National Library of Medicine National Institutes of Health) for academic researches with the search term Brugmansia insignis - See link
See if there is something in Youtube on the term Brugmansia insignis - See link
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