The variety and subspecies summary:
--subsp. fendleri; Usually grows from 1 to 3 stems with one curved central spine and 5 to 11 r...Read Moreadial spines per areole. It has 3 inch wide purple flowers close to the stem. Occurs naturally above 5900 feet above sea level. Fruit edible.
--subsp. hempelii; Has no central spines. The flowers are 2.4 to 3.2 inches long, Violet with toothed petals.
--subsp. rectispinus; Has up to 10 stems and 0 or 1 straight central spines. Occurs naturally below 5400 feet. The flowers are 2.4 inches wide and magenta. Fruit edible.
--var. kuenzleri; Has no central spine, 4 inch thick stems, 2 to 6 radial spines & magenta flowers. It is listed as an endangered and protected species-variety. Fruit edible.
The variety and subspecies summary:
--subsp. fendleri; Usually grows from 1 to 3 stems with one curved central spine and 5 to 11 r...Read More