Origin:
Native
General Desc:
These cacti often form large rounded mounds composed of many individual stems (3 inches to 6 inches in length and 2 inches to 3
inches in diameter) that are tightly packed together. Each stem has 9 or 10 ribs. Identification notes: Distinguished from E. triglochidiatus by having round spines, while the former has angled or flattened spines. Notably, this species is functionally dioecious, plants produce fertile male or female flowers on separate plants. Height:
To 6 inches
Width:
To 3 inches Habitat
Color:
Red
Flowering Period:
Apr - Jun Description:
Red to red-orange with bright green stigma in center. Flowers to 2-1/2 inches wide.
Stems
Stem Color:
Light green
Number of Stems:
Need value
Stem Shape:
Need value
Stems Segmented:
U
Stem Surface:
Need value Stem Description:
Multiple, upright, 2 to 5 inches wide with 5 to 12 vertical ribs with spines. ribs sometimes have bumps (tubercles). Areoles (structures unique to cacti, found on the stems, areas from which spines, flowers and fruits emerge)
Areole Description: Spine Color:
Greyish, tan or white
Spines Hooked:
U
Spine Description:
Greyish, tan or white spines with a central spine to 2-1/2 inches long. During first season spines may be yellow, pink or sometimes
nearly black.
Fruit
Fruit Color: Red Fruit Notes: One inch long fruit with deciduous spines and contains many black seeds.
Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590