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Glossary

Monstrose

Growers call it a growth form where the plant grows in strange, irregular, lumpy or melted-looking shapes instead of neat ribbed columns. Many monstrose plants switch back and forth between normal and strange growth over their lives, growers say.

Where you meet it: Unusual forms

ribs

First year

reads as normal

knobsthe join

The year after

ribs break up · knobs · lumps

A monstrose clone can grow perfectly ordinary for a year and then go strange, on the same plant, with no warning. Buying one young is a bet on what it does next.

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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 →