Sclerocactus parviflorus subsp. terrae-canyonae

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Sclerocactus parviflorus subsp. terrae-canyonae
Sclerocactus parviflorus subsp. terrae-canyonae (fh 69.40) UT with small flowers in Utah

Sclerocactus parviflorus subsp. terrae-canyonae (fh 69.40) UT
with small flowers in Utah

Systematics
Family : Cactus family (Cactaceae)
Subfamily : Cactoideae
Tribe : Cacteae
Genre : Sclerocactus
Type : Sclerocactus parviflorus
Subspecies : Sclerocactus parviflorus subsp. terrae-canyonae
Scientific name
Sclerocactus parviflorus subsp. terrae-canyonae
( KDHeil ) KDHeil & JMPorter

Sclerocactus parviflorus subsp. terrae-canyonae is an endangered subspecies of the genus Sclerocactus parviflorus in the cactus family(Cactaceae). The subspecies was named after its occurrence in Canyonland . English common names are "Canyonland Cactus" and "Eagle Claw Cactus".

description

Sclerocactus parviflorus subsp. terrae-canyonae grows individually spherical to elongated. It becomes 8 to 25 cm long and 5 to 15 cm in diameter. The yellow, light green, bell-shaped small flowers are characteristic . They are 2 to 3.5 cm long and wide. The flowers appear in a wreath around the apex. The flowering time is due to the altitude in June.

distribution

Sclerocactus parviflorus subsp. terrae-canyonae grows in the Great Basin Desert in Utah in lava rock or red sandy soil on plains or hills at altitudes of 1600 to 2100 meters and is associated with Pediocactus simpsonii , Escobaria vivipara var. arizonica , various cacti and yucca species .

Systematics

The description as Sclerocactus parviflorus subsp. terrae-canyonae was made in 1994 by Ken Heil & Mark Porter.

Synonyms are Sclerocactus terrae-canyonae K.D.Heil (1979) and Sclerocactus parviflorus f. terrae-canyonae Hochstätter (1998).

photos

Sclerocactus parviflorus subsp. terrae-canyonae :

  • Well camouflaged flowering young plant in Utah.

  • Young plant with extremely long thorns in Utah.

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. ↑ Haseltonia 2: 29. 1994.
  2. ↑ Acact. Succ. J. (US) 51: 25-30. 1979.
  3. ↑ Cactaceae Review IRT 1 (1): 4-19. 1998.

Web links

Commons : Sclerocactus parviflorus subsp. terrae-canyonae  - collection of images, videos and audio files