Cactus Identification: Ferocactus and Echinopsis Hybrids

Two Unknown Cacti from UBC Forum Thread

A reader links to a UBC Botanical Garden forum thread with photos of two cacti received recently, asking for ID and age estimate.

Left plant: Ferocactus, possibly Ferocactus acanthodes.
Right plant: Echinopsis eyriesii (but hundreds of hybrids make exact ID impossible).

Age guess: 10–15 years. Without seeing the photos directly, these are educated guesses based on description.

Cactus: Identifying and Caring for a Ferocactus latispinus; Pruning Large Milk Cactus (Euphorbia): Toxic Sap Warning; Dead Base on Tall Thin Cactus: Cut 2" Above Dead, Callus 3 Weeks, Replant; Identifying 5 Cacti from Drawings: Coral, Cereus, Moon, Fishhook Barrel, Unknown Tall; Moon Cactus Identification and Care: Grafted Gymnocalycium; Winter Care for Cactus and Succulent Collections Indoors; Identifying and Caring for Mystery Cactus Collection; Identifying Small Round Cactus: Beyond Description; Identifying a Fast-Growing Columnar Cactus: Cereus repandus; Easter Cactus (Hatiora gaertneri) Care: Cool Rest Period for Spring Blooms

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