This genus comprises 16 species of cacti native to southern Ecuador and Peru, primarily cultivated as houseplants. The plants feature tall, columnar stems that are densely covered with soft, white hairs concealing sharp spines arranged in circular patterns. The flowers, which typically take on a bell or cup shape, are mostly white, with red varieties being uncommon, and they open at night. Additionally, the sweet, juicy fruits produced by these cacti are edible.

Espostoa

Espostoa blossfeldiorum

Espostoa churinensis

Espostoa frutescens

Espostoa lanata is a tall, columnar cactus featuring stems with 20 to 30 prominent ribs, covered in a thick layer of white wool. While it can grow up to 6 meters in height in its native Peru, its size will be significantly smaller when cultivated in a pot.

Espostoa lanata

Espostoa lanata subsp. ruficeps unnamed cultivar

Espostoa melanostele is a clump-forming cactus characterized by its columnar shape and stems that feature 20 to 30 prominent ribs. These ribs are densely coated with a layer of white wool.

Espostoa melanostele

Espostoa melanostele subsp. nana

Espostoa mirabilis

Espostoa procera

Espostoa ritteri

Espostoa senilis

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