Sclerocactus papyracanthus

Sclerocactus papyracanthus is a species of cactus known by the common names paperspine fishhook cactus,[1] grama grass cactus, paper-spined cactus, and toumeya. It is native to North America, where it occurs from Arizona to New Mexico to Texas and into Chihuahua, Northeastern Mexico.[2]

Sclerocactus papyracanthus

Apparently Secure  (NatureServe)
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Core eudicots
Order:
Caryophyllales
Family:
Cactaceae
Subfamily:
Cactoideae
Tribe:
Cacteae
Genus:
Sclerocactus
Species:
S. papyracanthus
Binomial name
Sclerocactus papyracanthus
Synonyms

Echinocactus papyracanthus
Mammillaria papyracantha
Pediocactus papyracanthus
Toumeya papyracantha

Distribution

This plant grows in pinyon-juniper woodland and Chihuahuan Desert grassland habitat, usually amidst grama grass (Bouteloua spp.), especially blue grama (Bouteloua gracilis). It is often hard to see the cactus because its spines look like the leaves of the grass.[3]

Description

Sclerocactus papyracanthus is small cactus grows up to 8 centimeters tall by 2.5 wide. It is covered in so many spines they obscure the stems beneath. They are white, tan, or gray in color, papery in texture, and sometimes twisted or wavy in shape.

The actual shape of the flower is an oval pedal. The flower is up to 2.5 centimeters long and have light-colored outer tepals with dark midstripes. The fruit is green and dry at maturity.[4]

References
  1. "Sclerocactus papyracanthus". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 7 November 2015.
  2. Sclerocactus papyracanthus. The Nature Conservancy.
  3. Matthews, Robin F. 1994. Pediocactus papyracanthus. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer).
  4. Sclerocactus papyracanthus. Flora of North America.
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