Disocactus speciosus explained

Disocactus speciosus, the sun cactus, is a species of flowering plant in the family Cactaceae. It is native to Mexico, Honduras and Guatemala, and has been introduced to the Canary Islands.^[1] As its synonym Heliocereus speciosus it has gained the Royal Horticultural Society's Award of Garden Merit.^[2]

Subtaxa

The following subspecies are accepted:^[1]

• Disocactus speciosus subsp. blomianus (Kimnach) Ralf Bauer – Chiapas
• Disocactus speciosus subsp. cinnabarinus (Eichlam ex Weing.) Ralf Bauer – southern Mexico, Honduras
• Disocactus speciosus subsp. heterodoxus (Standl. & Steyerm.) M.Á.Cruz & S.Arias – Guatemala
• Disocactus speciosus subsp. speciosus

Notes and References

1. Web site: Disocactus speciosus (Cav.) Barthlott . . Plants of the World Online . Board of Trustees of the Royal Botanic Gardens, Kew . 6 July 2021 .
2. Web site: Heliocereus speciosus sun cactus . 2021 . The Royal Horticultural Society . 6 July 2021 .