TROPICAL PLANT ENCYCLOPEDIA
Echinocereus rigidissimus, Cereus pectinatus var. rigidissimus, Echinocereus pectinatus var. rigidissimus
Arizona Rainbow Hedgehog Cactus, Cabeza de ViejoFamily: Cactaceae
Origin: Southeastern Arizona, Mexico
USDA Plant Hardiness Zone Map
Intense pink flowers with much lighter throat, 2.4 to 2.8 inches long (6-7 cm), up to 3.6 inches in diameter (9 cm).
Similar plants:
- Echinocereus sp. (Hedgehog Cactus)
- Cereus peruvianus, Cereus repandus, Cereus uruguayanus, Cereus hildmannianus (Night Blooming Cereus, Peruvian Apple, Column Cactus, Apple Cactus)
- Echinopsis candicans, Cereus candicans, Trichocereus candicans (Argentine Giant)
- Pachycereus weberi, Cereus candelabrum (Candelabro, Cardon)
- Selenicereus pteranthus, Cereus pteranthus (Princess of the Night)
- Selenicereus wercklei, Cereus wercklei (Queen of the Night, Flor de la Luna)
Link to this plant:
https://toptropicals.com/catalog/uid/echinocereus_rigidissimus.htm