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Glossary

Peruvianus

A species also called Peruvian Torch, growers say. Longer, stouter spines than pachanoi and often a strong blue bloom, growers say. Has many regional forms named after where they came from.

Where you meet it: Species

Drawing of a peruvianus-type column: stout and blue with a heavy powdery bloom, ribs deeply notched between large areoles, and long spines. Named on the drawing: farina, areole, rib, spines.farinaareoleribspines
The form the name Peruvianus describes. A drawing of the kind of plant, not of any one plant.

This one is a species

The line above is the short answer. The species page has the whole picture — what separates it from the others, the names in the library that carry it, and what is growing in the yard.

Peruvianus in full →

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Sources

Learned from the sanpedrocact.us community wiki (CC BY-NC 4.0) and from @sanpedromastery6262 on YouTube.

Every photograph in the yard pages and the shop is of a plant grown here, except where a listing says it was grown by somebody else — it says so on the listing, above the price.

Every source behind these pages →