Cleistocactus samaipatanus

Cleistocactus samaipatanus is a species of flowering plant in the family Cactaceae, native to Bolivia. Growing to 1.5 m (4.9 ft) tall, it has multiple long, narrow columnar green stems with pale gold spines. It grows vigorously with large, pinky-red flowers in summer.

Cleistocactus samaipatanus
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Cleistocactus
Species:
C. samaipatanus
Binomial name
Cleistocactus samaipatanus
Synonyms[1]
  • Bolivicereus brevicaulis F.Ritter
  • Bolivicereus croceus F.Ritter
  • Bolivicereus rufus F.Ritter
  • Bolivicereus samaipatanus Cárdenas
  • Borzicactus samaipatanus (Cárdenas) Kimnach
  • Cleistocactus samaipatensis (Cárdenas) D.R. Hunt

In cultivation in the UK, this plant has gained the Royal Horticultural Society’s Award of Garden Merit[2] (confirmed 2017).[3] However, as it does not tolerate temperatures below 0 °C (32 °F), it must be grown under glass, though it may be placed outside during the warm summer months.

References
  1. "Cleistocactus samaipatanus (Cárdenas) D.R.Hunt". The Plant List (2010). Version 1. Retrieved 1 December 2012.
  2. "RHS Plantfinder - Cleistocactus samaipatanus". Retrieved 12 January 2018.
  3. "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 20. Retrieved 24 January 2018.


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