This is fascinating! Thanks for starting this discussion here.
I read the thread over @ the aya forums and this one here and it's all a a bit murky and convoluted and spread out, so I just kinda want to do a knowledge check and see if we can try and clarify all this a bit.
Wikipedia says:
There are two scientifically accepted varieties:
Banisteriopsis caapi var. caupuri with knotty stems
Banisteriopsis caapi var. tukunaka with smooth stems
The var. caupuri has big knots in the stems that make it very distinguishable. I haven't ever seen this one offered by vendors until now.
Now I assume the caapi we are all familiar with that all the vendors have been carrying for all these years is the var. tukunaka and supposedly this comes in a variety of "colors".
As I understand it all these various colors of ayahuasca are classified as Banisteriopsis caapi var. tukunaka:
White - cura ayahuasca/ayahuasca blanca - used for healing and magic.
Black - trueno ayahuasca/ayahuasca negra - very strong, causes intense purging.
Red - ayahuasca colorada - used by the shamans for healing others.
Yellow - ayahuasca cielo/ayahuasca amarilla - The most common and widely used variety, good for beginners.
Cielo - heavenly ayahuasca/sky ayahausca - Sometimes listed to be the same as yellow ayahuasca, but as I understand it the true cielo is regarded to be quite a bit stronger than the common yellow ayahuasca.
Ourinhos - little gold - This is the var the Brazilian ayahuasca churches use. This one is also sometimes called yellow ayahuasca.
So that covers our familiar b. caapi ayahuasca.
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It seems we now have access to a few other species also called by ayahuasca:
Alicia anisopetala - black ayahuasca/oco yage/water ayahuasca - This plant contains the power in the vine and the light in the leaves. This is the likely candidate for the plants those of us who purchased the mislabeled "Chaliponga" have.
Alicia macrodisca - This is the other possible candidate for our plants. This plant also contains the power in the vine and the light in the leaves?
Banisteriopsis muricata - red ayahuasca- This one is very very similar to b. caapi but has a bit more red color and creates a much more red/orange brew. This contains the power in the vine and light in the leaves.
Tetrapteris methystica - griss ayahuasca - I know next to nothing about this one. Wikipedia says its psychoactive and the alkaloids are thought to be closely related to B. caapi.
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Regarding Chaliponga:
It seems the "Diplopterys cabrerana" that we all seek as the "true" Chaliponga is the one they call "Ushpa Chaqui". Although the A. anisopetala has been sold and used successfully as "chaliponga" many times before.
Does anyone know what other plants have been used/sold as chaliponga?
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Does that all sound about right? Please let me know if there are any errors or holes in my understanding here. I'm just trying to get this all straightened out in my own mind.
-Namaste
P.S. - It seems we are just barely starting to scratch at the surface of the rabbit hole that is ayahuasca. Looks like there is lot more work to be done in this area.
A Classification of Banisteriopsis Species
Used in Ayahuasca Preparations
1. Banisteriopsis caapi
2. B. ceduciflora
3. B. cornifolia
4. B. cristata
5. B. heterostyla
6. B. inebrians
7. B. laevifolia
8. B. leiocarpa
9. B. leptocarpa
10. B. longialata
11. B.. lucida 12. B. martiniana
13. B. muricata
14. B. nigrescens
15. B. nutans
16. B. oxyclada
17. B. padifolia
18. B. peruviana
19. B. pubipetata
20. B. quitensis
21. B. rusbyana*
note: Banisteriopsis rusbyana* = Diplopterys cabrerana
http://www.biopark.org/peru/huascaspecies.html
Less than 1% of plants in the Amazon have been studied for possible medical effects and medicinal applications.