Plants - Drugs Mind - Spirit Freedom - Law Arts - Culture Library  
Do you think you might have HPPD?
Take this survey out of University of East London,
which attempts to understand the inner experiences of
people with lasting perceptual changes from use of
psychoactive drugs, (diagnosed or not). It investigates
factors that could create distress or effect quality of life.
by Erowid
Archived Images #
Catharanthus rosea (Madigascar Periwinkle) #
Closeup of a Catharanthus rosea (Madagascar Periwinkle) found commonly in South Africa. [KwaZulu-Natal, S Africa]
Photo by Scab13. © 2007
A magenta-flowered Catharanthus rosea growing in a pot. [FL, USA]
Photo by Floresonance. © 2007
Vinca major #
Flowering Vinca major plant.
Photo by Mimi Kamp.
Vinca minor (Periwinkle) #
Flowering Vinca minor (periwinkle) plant by a stream in Oyantatambo, Peru. [Macchu Pichu, Peru]
Photo by Patrick Kooyman. © 2007
Submissions and Credits #
If you have photos you'd like to donate to Erowid's Image Vaults, we'd love to see them! We intend
to give credit to all photographers and artists. If you know the photographer of an unlabelled photo
in our collection or if we are using a photo of yours without permission, please let us know and we'll
add credit or remove the image, as you choose.