Petunia integrifolia (syn. Petunia violacea), the violet petunia^[3] or violetflower petunia,^[4] is a species of wild petunia with violet-colored blooms.^[5][6] Petunia integrifolia is native to Argentina.^[7] P. integrifolia bears flowers approximately 1.5 inch in diameter and the plant is typically smaller and harder to cultivate than the well-known hybrid bedding Petunia now known correctly as Petunia × atkinsiana.^[8][9]

Quick Facts Petunia integrifolia, Scientific classification ...

Petunia integrifolia
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Solanales
Family:	Solanaceae
Genus:	Petunia
Species:	P. integrifolia
Binomial name
Petunia integrifolia (Hook.) Schinz & Thell.[1]
Synonyms[2]
Nierembergia phoenicea D. Don Nierembergia punicea Sendtn. Petunia dichotoma Sendtn. Petunia phoenicea D. Don ex Loudon Petunia violacea Lindl. Salpiglossis integrifolia Hook. Stimoryne purpurea Raf.

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The species was first described as Salpiglossis integrifolia by William Jackson Hooker in 1831.^[10] It was transferred to the genus Petunia as P. integrifolia by Hans Schinz and Albert Thellung in 1915.^[11] Petunia inflata had sometimes been considered to be a subspecies of P. integrifolia, but the two have different native ranges, with P. inflata growing in more northern areas.^[12]

Petunia violacea Lindl. has been reported to be used as a hallucinogen in Ecuador, where the plant has the vernacular name shanín. The drug is said to cause sensations of levitation and flight - a type of hallucination often associated with the use of the more toxic hallucinogenic plants of the deliriant type; e.g., the tropane-containing Atropa and Hyoscyamus, active constituents of the witches' flying ointments of Medieval and Early Modern Europe.^{[13] [14]}