How does a people without laboratory science arrive at a pharmacologically complex recipe? An estimated 40,000 to 50,000 plant species grow in the Amazon basin. From this abundance, indigenous peoples found the exact combination whose interaction produces a specific effect: ayahuasca, a brew made from the vine Banisteriopsis caapi and the leaves of Psychotria viridis. The vine contains MAO inhibitors that protect the compound DMT in the leaves from being broken down in the stomach. Without this combination, nothing happens. With it, a dimension of consciousness opens that Western pharmacology only began to describe in the twentieth century.
The question this raises is neither botanical nor medical. It is epistemological.
#The Pharmacological Riddle
Ayahuasca is not a single plant but a composition. The individual components are ineffective without each other. The probability of arriving at precisely this combination by chance or systematic trial is vanishingly small. Ethnobotany has attempted various explanations, from cumulative observation of animal behaviour to the hypothesis of gradual experimentation across generations (cf. Narby, 1998, The Cosmic Serpent). None of these explanations can satisfactorily account for how knowledge arises that presupposes the chemical interaction of two specific plants among tens of thousands.
When you ask the indigenous peoples themselves, you receive an answer that has no place within the materialist paradigm: “When you ask the indigenous peoples how they came to it, they didn’t arrive at it through our scientific method — the plant told them” (Kirchhoff, G., 2026, Everlast AI Debate, 90:30).
#Communicativeness as an Ontological Category
What is at stake here is not the subjective conviction of individual shamans. It is the question of whether nature possesses an interiority that can communicate itself to human consciousness. The answer given by indigenous peoples presupposes a world in which plants are not dead matter but beings with their own form of interiority, with whom communication is possible.
This position has a long and serious history in European philosophy. Aristotle understood the soul (psyche) not as a substance added to the body but as the form-principle of the living being itself (cf. Aristotle, De Anima). In his account, plants possess the nutritive soul, animals the sensitive, humans the thinking. What animism claims radicalises this thought: interiority extends across the whole of nature and is not a mere projection of the human mind but an ontological determination.
Leibniz went further still. In the Monadologie (1714), every being possesses perception — an inner state that relates to the world. Dead matter, in this thinking, is an abstraction that dissolves the moment you look closely enough.
#What Materialism Cannot Explain
Materialist naturalism treats the communicativeness of nature as post-hoc rationalisation. The indigenous peoples, according to the standard explanation, accumulated knowledge through trial and error over centuries and then clothed this empirical process in mythology. The word “communication” is reduced to an artefact of a pre-scientific worldview.
This explanation has a problem. It presupposes what it would need to prove: that the only legitimate form of knowledge acquisition is the controlled experiment. That claim is not itself a scientific finding but a metaphysical prior commitment. Jochen Kirchhoff called the premises of materialist natural science “bad metaphysics” because they present as facts what are in reality unproven foundational assumptions (cf. Kirchhoff, J.).
Ayahuasca makes this prior commitment visible. Anyone who holds to the chance hypothesis must treat an enormous improbability as the normal case. Anyone who takes nature’s communicativeness seriously must expand the concept of knowledge. Both positions have consequences — but only the first pretends it does not.
#Consciousness as a Receiving Organ
The philosophical question ayahuasca raises concerns not only the nature of plants but the nature of human consciousness. If nature communicates, then on the human side there must be an organ capable of receiving this communication. In Gwendolin’s philosophical work, this organ is not physiological but a consciousness-organ: the space organ, the capacity to perceive living space and to make contact with what manifests within it.
The practice of indigenous ayahuasca ceremonies can be understood from this perspective as a form of consciousness-work that opens the receiving organ and places it in a state where communications can be received that remain closed to ordinary waking consciousness. This is neither romanticisation nor exoticism. It is a description of what consciousness research since Stanislav Grof has systematically documented: that there are states of consciousness in which access to knowledge becomes possible that extends beyond personal biography and sense-given data.
#Not a Drug Topic but an Epistemological Problem
Anyone who regards ayahuasca primarily as a drug repeats the materialist gesture: the substance is isolated, its chemical effect described, its risks catalogued. What vanishes in the process is precisely what is philosophically interesting: the question of the origin of the knowledge embedded in this recipe.
Schelling formulated the foundational principle of natural philosophy: “Nature is to be the visible spirit, spirit the invisible nature” (Schelling, 1797, Ideen zu einer Philosophie der Natur). If this statement is more than a metaphor — if nature truly contains spirit that can disclose itself to human consciousness — then ayahuasca is not an ethnobotanical curiosity but a concrete case of natural knowledge that comes about by a path other than experiment.
The question remains open. But to pose it presupposes recognising the materialist prior commitment for what it is and being willing to examine it. Anyone who does not has given the answer before the question was asked. In philosophical consultation, we work with the epistemological questions that stand behind such experiences — not as speculation, but as an examination of one’s own presuppositions.
#Sources
Aristotle. De Anima.
Kirchhoff, G. (2026). Everlast AI Debate — Gwendolin Kirchhoff vs. Joscha Bach [unpublished transcript].
Leibniz, G. W. (1714). Monadologie.
Narby, J. (1998). The Cosmic Serpent — DNA and the Origins of Knowledge. Jeremy P. Tarcher/Putnam.
Schelling, F. W. J. (1797). Ideen zu einer Philosophie der Natur.
Schelling, F. W. J. (1798). Von der Weltseele.
Shanon, B. (2002). The Antipodes of the Mind — Charting the Phenomenology of the Ayahuasca Experience. Oxford University Press.