Sclerocactus parviflorus subsp. havasupaiensis

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Sclerocactus parviflorus subsp. havasupaiensis
Sclerocactus parviflorus subsp. havasupaiensis (fh 52.3 AZ) in flower in the Inner Grand Canyon of Arizona

Sclerocactus parviflorus subsp. havasupaiensis (fh 52.3 AZ)
in flower in the Inner Grand Canyon of Arizona

Systematics
Family : Cactus family (Cactaceae)
Subfamily : Cactoideae
Tribe : Cacteae
Genre : Sclerocactus
Type : Sclerocactus parviflorus
Subspecies : Sclerocactus parviflorus subsp. havasupaiensis
Scientific name
Sclerocactus parviflorus subsp. havasupaiensis
( Clover ) Hochstätter

Sclerocactus parviflorus subsp. havasupaiensis is an extremely endangered subspecies of the Sclerocactus parviflorus plant in the cactus family(Cactaceae). The name refers to the occurrence in Havasupai Canyon. An English common name is "Inner Grand Canyon Cactus".

description

Sclerocactus parviflorus subsp. havsupaiensis grows individually spherical to elongated. It becomes 5 to 30 cm long and 3 to 11 cm in diameter. The purple, white bell-shaped flowers are 3 to 5.5 cm long and 3 cm wide.

The flowers appear in a wreath around the apex. The subspecies shows similarities with Sclerocactus polyancistrus which occurs in close proximity in Death Valley in California . The flowering period is from April to May.

distribution

Sclerocactus parviflorus subsp. havasupaiensis grows endemically in the interior of the Grand Canyon in Arizona in a limited area on stony hills, widely scattered in knee-high sagebrush bushes at an altitude of 1000 to 1600 m and is associated with Mammillaria tetrancistra , various cactus species , Yucca baccata subsp. vespertina and Agave utahensis var. kaibabensis .

Systematics

The description as Sclerocactus parviflorus subsp. havasupaiensis was born in 1995 by Fritz Hochstätter.

Synonyms are Sclerocactus havasupaiensis Clover (1942), Sclerocactus parviflorus var. Roseus Clover (1942), Echinocactus parviflorus var. Havasupaiensis L.D.Benson. (1950) and Sclerocactus whipplei var. Roseus L.D.Benson (1966).

photos

Sclerocactus parviflorus subsp. havasupaiensis :

  • Well camouflaged in flower inside the Grand Canyon, Arizona.

  • With buds inside the Grand Canyon in Arizona, rediscovered by F. Hochstätter in the 90s.

literature

  • Fritz Hochstätter (Ed.): At the locations of Pediocactus and Sclerocactus . Self-published, 1989.
  • Fritz Hochstätter (Ed.): To the habitats of Pediocactus and Sclerocactus . Self-published, 1990.
  • Fritz Hochstätter (Ed.): The Genus Sclerocactus . Self-published, 1993.
  • Fritz Hochstätter (Ed.): The Genus Sclerocactus . English with a German summary. Self-published, 2005, ISBN 3-000161538 .

Individual evidence

  1. ↑ Succulenta 74 (1): 38-44. 1995.
  2. ↑ Amer. Journ. Bot. 29: 172. f. 1-2. 1942.
  3. ↑ Amer. Journ. Bot. 29: 172.1942.
  4. ^ Cacti of Arizona ed. 2.104, 1950.
  5. ↑ Cact. Succ. J. (US) 38: 104, 1966.

Web links

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