The subspecies 'sulfurea' has 2-8 spines per areole and is native to northern Argentina.
The subspecies 'brachyacantha' has 2-6 sp...Read Moreines per areole and is native to Cochabamba, Bolivia.
The subspecies ''spinibarbis' has 4-8 spines per areole and is native to Tarija, Bolivia.
All have sulphur yellow flowers (reddish-yellow).
The subspecies 'sulfurea' has 2-8 spines per areole and is native to northern Argentina.
The subspecies 'brachyacantha' has 2-6 sp...Read More