Common button cactus
Epithelantha micromeris

Family: Cactaceae

What it is like

A cactus. It usually does not have branches. It is ashy grey and rough. The stems are short and cylinder shaped. They are 1-4 cm across. There are 20-35 spines in each section.

Wikipedia claims fruit of all Epithelantha species are edible.

Where it is found

It is a warm temperate plant.

Countries/locations it is found in

North America, USA

How it is used for food

Edible parts

Fruit

How it is grown

Its other names

Local names

Synonyms

Epithelantha petri Halda & Horacek; Mammillaria micromeris Engelm.;