Trichocereus macrogonus
Trichocereus macrogonus, synonym Echinopsis macrogonus, is a species of cactus found in Ecuador, Peru and Bolivia. Two varieties are accepted as of September 2023: var. macrogonus and var. pachanoi. Plants contain varying amounts of the psychoactive alkaloid mescaline. They have been used both ritually and in traditional medicine from pre-Columbian times. Trichocereus macrogonus is one of a number of similar species that may be called San Pedro cactus. Indigenous names include achuma and huachuma, although these too may be applied to similar species.
| Trichocereus macrogonus | |
|---|---|
| Trichocereus macrogonus var. pachanoi – the tall cactus in the mid-foreground, in its natural habitat in Peru | |
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Cactaceae |
| Subfamily: | Cactoideae |
| Genus: | Trichocereus |
| Species: | T. macrogonus |
| Binomial name | |
| Trichocereus macrogonus (Salm-Dyck) Riccob. | |
| Synonyms | |
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Of the species:
Of T. macrogonus var. macrogonus:
Of T. macrogonus var. pachanoi:
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