Erythroxylum coca
What's the taxonomical classification of Erythroxylum coca?
Erythroxylum coca belongs to the kingdom Plantae and is categorized under the phylum Streptophyta. Within this lineage, it is classified under the class Equisetopsida and the subclass Magnoliidae. Its taxonomic progression continues through the order Malpighiales and into the family Erythroxylaceae. Finally, the plant is situated within the genus Erythroxylum, specifically identified as the species coca.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Malpighiales |
| Family | Erythroxylaceae |
| Genus | Erythroxylum |
| Species | coca |
What are the morphological characteristics of this plant?
Erythroxylum coca has elliptical to oblong leaves that are typically two to five centimeters long, possessing an entire margin and a prominent midrib. These leaves are arranged in an opposite pattern along the woody stems of the shrub or small tree. The plant produces small, yellowish-white flowers that emerge from the axils of the leaves. Following pollination, the plant develops small, drupe-like fruits that transition from green to a bright red color when ripe. The root system is robust, helping the plant anchor itself within the moist, tropical soils of the Andean region.
What is the geographical distribution of this plant?
This plant is native to the tropical and subtropical regions of western South America, specifically concentrated in the Andes mountains of Colombia, Peru, Bolivia, and Ecuador. It thrives primarily in high-altitude environments where the climate remains humid and warm. The species is most commonly found growing on steep mountain slopes and within densely forested valleys. While its natural range is restricted to these specific Andean corridors, it is also cultivated extensively throughout various parts of the continent. Its distribution is strictly limited by its need for particular soil types and consistent tropical moisture levels.
How is this plant cultivated?
This plant Erythroxylum coca is cultivated in tropical and subtropical regions of South America, primarily within the Andean foothills where high humidity and acidic soils are abundant.
Farmers typically plant seeds in well-drained mountain slopes that receive consistent rainfall and warm temperatures. The shrubs require careful management to prevent soil erosion and to maintain the specific nutrient balance necessary for leaf production. Once established, the plants are harvested by hand by stripping the leaves from the branches.
This traditional agricultural process remains a vital part of local livelihoods in many rural highland communities.
What parts of this plant are used medicinally?
This plant provides medicinal benefits primarily through its dried leaves, which are harvested for their various bioactive compounds. These leaves are traditionally chewed or prepared as infusions to alleviate symptoms of altitude sickness and fatigue. They are also utilized in topical applications to act as a mild local anesthetic for pain relief. Beyond traditional uses, specific alkaloids extracted from the foliage are studied for their physiological effects on the central nervous system. This botanical resource remains a fundamental component in several indigenous healing practices.
According to a study published by "Pharmacology, biochemistry, and behavior", the powdered leaves of Erythroxylum coca are used to prepare extracts using 95% ethanol. These extracts are processed by partitioning the residue between water and chloroform to study different doses. The doses of the extracts studied are 60, 120, 240, and 480 mg/kg. The doses of cocaine used for comparison are 3.45, 6.9, 13.8, and 27.6 mg/kg, which correspond to the amount of cocaine in the four doses of the chloroform layer. The chloroform layer produced dose related increases in locomotor activity and dose related decreases in food consumption. Two of the doses, one IP and one PO, of the chloroform layer produced significantly greater effects than an equivalent amount of cocaine.
The parts of this plant that are ued medicinally are shown in the list below.
- leaf
What traditional systems uses this plant?
This plant, Erythroxylum coca, has been used for millennia within Indigenous health systems across the Andes to treat altitude sickness, fatigue, and digestive ailments. Indigenous communities traditionally chew the dried leaves or prepare them as infusions to provide sustained energy and suppress hunger during long periods of labor. These traditional practices integrate the plant into complex spiritual rituals and social ceremonies that reinforce communal identity. Beyond physical wellness, the plant is often viewed as a sacred medium for communicating with ancestral spirits. This long-standing historical use demonstrates how the species serves as both a medicinal tool and a cornerstone of cultural stability.
According to a study published by "Frontiers in pharmacology", Erythroxylum coca was identified as one of the most commonly cited species within the reviewed Colombian medicinal flora. The study analyzed 42 Colombian plant species reported in Indigenous and local health systems to address conditions that may overlap with biomedical classifications. Among the reviewed taxa, five lack phytochemical characterization, fourteen have demonstrated neuropharmacological activity in preclinical studies, and only seven have been examined in clinical contexts. The research categorized traditional uses into groups such as psychoactive, stimulant, sedative, anxiolytic, and cognitive effects.
The hystorical systems that uses this plant are shown in the list below.
- Indigenous health systems
What are the pharmacological activities of Erythroxylum coca?
This plant has stimulant, euphorient, local anesthetic, psychoactive, and excitant pharmacological activities derived from its alkaloid content. The presence of cocaine allows the plant to function as a powerful psychoactive substance that alters mental states. When ingested or applied, it acts as a potent stimulant that increases alertness and energy levels. Its properties as an excitant can lead to heightened physical arousal and increased metabolic rates. Additionally, the leaves possess unique local anesthetic qualities that can numb tissues upon contact.
According to a study published by "Journal of ethnopharmacology", Erythroxylum coca var. coca remains one of the most common plants of the folk medicine of Bolivia. This plant is used as a general stimulant. A study of the chemical composition was conducted on leaves collected in 2 ecological regions of Bolivia. The study compared leaves from the Yungas, which are tropical mountain forests of the eastern slopes of the Andes, to those from the Chapare lowlands. The contents in cocaine and minor constituents of the leaf samples cultivated in these 2 regions does not rationalize the choice made by Aymara and Quechua natives.
The primary pharmacological activities of this plant are shown in the list below.
- stimulant
- euphoriant
- local anesthetic
- psychoactive
- excitant
What medicinal compounds this plant contains?
This plant contains several significant medicinal compounds including cocaine, alpha-truxilline, beta-truxilline, cuscohygrine, and hygrine. The primary alkaloid found within the leaves is cocaine, which acts as a potent local anesthetic and stimulant. Alongside this major component, the plant features various truxillines that influence the overall physiological effects of the leaves. Cuscohygrine and hygrine are additional alkaloids that contribute to the complex chemical profile of the species. These diverse substances interact within the plant to produce a wide range of biological activities.
According to a study published by "Journal of ethnopharmacology", the cultivated Erythroxylum varieties E. coca var. coca and E. coca var. ipadu contain 18 alkaloids identified so far. These alkaloids belong to the tropanes, pyrrolidines and pyridines, with cocaine as the main alkaloid. Reported biological activity in the literature includes cocaine, cinnamoylcocaine, benzoylecgonine, methylecgonine, pseudotropine, benzoyltropine, tropacocaine, alpha- and beta-truxilline, hygrine, cuscohygrine and nicotine. Hardly anything is known about the biological activity of the other alkaloids present in the four varieties mentioned.
The primary medicinal compounds of this plant are shown in the list below.
- Cocaine
- alpha-truxilliine
- beta-truxilliine
- cuscohygrine
- hygrine
What health conditions is this plant used for?
This plant is used for treating anorexia, providing local anesthesia, relieving local pain, and facilitating weight reduction. The alkaloids found within the leaves act as a potent local anesthetic to numb specific areas of the body. This numbing effect makes it effective for managing various forms of local pain during medical or ritualistic applications. Additionally, the stimulant properties of the plant help suppress appetite to assist in weight reduction. By stimulating the central nervous system, it can also serve as a remedy to combat anorexia and increase energy levels.
According to a study published by "Pharmacology, biochemistry, and behavior", Erythroxylum coca extracts were studied for their anorexic and actometric effects using doses of 60, 120, 240, and 480 mg/kg. The chloroform layer of the plant extracts produced dose related increases in locomotor activity and dose related decreases in food consumption. These effects were compared to cocaine doses of 3.45, 6.9, 13.8, and 27.6 mg/kg. Two of the doses of the chloroform layer, one via IP and one via PO routes, produced significantly greater effects than an equivalent amount of cocaine. Additionally, the highest IP dose of the water layer, which contained only trace amounts of cocaine, significantly reduced food consumption.
The main health conditions this plant is used for are shown in the list below.
- anorexia
- local anesthesia
- painful diseases of the mouth
- painful diseases of the upper digestion organs
- weight reduction
What are the herbal preparations of this plant?
This plant is Erythroxylum coca, which is utilized to create diverse medicinal herbal preparations including coca dextrin, decochanized leaves, homeopathic medicine, powder, and tea. Traditional tea is often brewed from the dried leaves to alleviate fatigue or altitude sickness. For more refined pharmaceutical uses, the plant material can be processed into a fine powder or converted into coca dextrin. Decochanized leaves are specifically treated to remove alkaloids while preserving other botanical properties. Additionally, highly diluted extracts are used to produce homeopathic medicine for various therapeutic purposes.
According to a study published by "Journal of ethnopharmacology", medicinal preparations of Erythroxylum coca include powdered coca leaves and coca leaf extracts such as coca dextrin. Rats receiving a high level of cocaine (2 mg/g) as coca leaf powder in a low protein/high carbohydrate diet showed minimal weight gain despite a high food intake. In contrast, a coca leaf preparation equivalent to 2 mg/g cocaine in a low protein/high carbohydrate diet had a small but significant positive effect on respiratory quotient. These respiratory quotient effects were less obvious when using a coca leaf extract incorporated into the diet as coca dextrin, though they showed the same trend. The study suggests that the availability of utilizable nitrogenous components in the coca leaf may influence these metabolic effects.
The main herbal preparations of this plant are shown in the list below.
- coca dextrin
- decocainized leaves
- homeopathic medicine
- powder
- tea
What side effects this plant can have?
This plant can produce a powerful stimulating effect that alters the user's central nervous system and emotional state. Consumption often leads to a temporary sense of euphoria, providing an intense feeling of well-being and increased energy. However, these positive sensations can rapidly transition into negative psychological states such as dysphoria. Prolonged or heavy use may also trigger hallucinosis, where the individual experiences sensory perceptions that are not real. In severe cases, the chemical impact can culminate in paranoid psychosis, characterized by extreme suspicion and distorted reality.
According to a study published by "Bulletin on narcotics", coca paste contains from 40 to 91 per cent cocaine. The smoking of this substance causes four distinct successive phases of mental disorder, which are euphoria, dysphoria, hallucinosis and paranoid psychosis. This practice can produce severe intoxication, prolonged or relapsing psychosis and, in some cases, death. Addiction to the paste develops in a few months and carries serious health consequences. Over the past 10 years, this pattern of drug abuse has attained epidemic proportions in some Latin American countries.
The main side effects this plant can have are shown in the list below.
- dysphoria
- euphoria
- hallucinosis
- paranoid psychosis
- stimulating effect
What herbs are paired with Erythroxylum coca?
This plant is traditionally paired with alkaline substances such as lime, llipta, or ash to facilitate the extraction of alkaloids during mastication.
These alkaline agents are essential because they raise the pH level in the mouth, allowing the active compounds to become more bioavailable. Users often combine the leaves with aromatic herbs or bitter botanical additives to alter the flavor profile or enhance specific medicinal properties. Some regional practices involve mixing the leaves with certain flowers to create a more palatable ceremonial blend.
These specific combinations serve both functional roles in digestion and cultural roles in ritualistic consumption.