Echinomastus erectocentrus

Echinomastus erectocentrus

Vulnerable  (NatureServe)
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Core eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactaceae
Tribe: Cacteae
Genus: Echinomastus
Species: E. erectocentrus
Binomial name
Echinomastus erectocentrus
Synonyms

Neolloydia erectocentra
Sclerocactus erectocentrus

Echinomastus erectocentrus is a species of cactus known by the common names redspine fishhook cactus,[1] redspine butterfly cactus,[2] acuña cactus, needle-spine pineapple cactus, red pineapple cactus, and purple-spine viznagita.[3] It is native to Arizona and New Mexico in the United States and Sonora in Mexico.[2]

This cactus grows up to about 34 centimeters tall by 10 wide. There are many spines on each areole, the central ones up to 4.4 centimeters in length. The spines are purple, pink, or white with brown tips. The flower is up to 6 centimeters long by 9 wide and has white, pink, or lavender tepals with greenish, brown, or reddish coloration at the bases. This species is similar to Echinomastus johnsonii.[4] It is the first cactus to bloom in Organ Pipe Cactus National Monument, flowering in early March.[2]

This species grows on limestone.[2]

There are two varieties, var. acunensis and var. erectocentrus. These are not easily told apart using morphological characteristics, but they occur in different geographical areas. The former occurs in northern Sonora and north to Florence, Arizona, and the latter occurs around Tucson and areas east.[5]

References

  1. ↑ Echinomastus erectocentrus. USDA Plants Profile.
  2. 1 2 3 4 Sclerocactus erectocentrus. The Nature Conservancy.
  3. ↑ "Echinomastus erectocentrus". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 21 January 2018.
  4. ↑ Echinomastus erectocentrus. Flora of North America.
  5. ↑ Echinomastus erectocentrus. Center for Plant Conservation.
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