Harman Patil (Editor)

Echinopsis spachiana

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Kingdom
  
Family
  
Cactaceae

Scientific name
  
Echinopsis spachiana

Rank
  
Species

Genus
  
Higher classification
  
Echinopsis

Echinopsis spachiana Echinopsis spachiana Golden Torch World of Succulents

Similar
  
Echinopsis, Cactus, Echinopsis peruviana, Echinopsis terscheckii, Cereus huascha

Echinopsis spachiana


Echinopsis spachiana, commonly known as the golden torch, (white) torch cactus or golden column, is a species of cactus native to South America. Previously known as Trichocereus spachianus for many years, it is commonly cultivated as a pot or rockery plant worldwide. It has a columnar habit, with a lime-green cylindrical body with 1–2 cm long golden spines.

Contents

Echinopsis spachiana Echinopsis spachiana

Echinopsis spachiana


Description

Echinopsis spachiana Hybrid Epi Cactus Display Page

Echinopsis spachiana grows as a cactus with a columnar habit, reaching 2 m (7 ft) high, with a diameter of 5–6 cm (2–2 14 in). Vertical branches arise from the base of the plant. Each column has 10–15 rounded ribs. The large areoles are around 1 cm apart, and have wavy yellow hairs. The straight spines are red-yellow initially, fading to white as they age. The central spine is around 1–2 cm (1234 in) long, and is surrounded by 8 to 10 smaller radial spines that are 0.4–1 cm (1412 in) in length. The white flowers are 15 cm (6 in) across and 18–20 cm (7–7 34 in) long, part of which is an 8 cm long tube. In their native habitat, the flowers appear in June–July and open at night.

Taxonomy

Echinopsis spachiana Echinopsis spachiana

French botanist Charles Antoine Lemaire described the species as Cereus spachianus in 1839, in honour of his countryman Édouard Spach. The type specimen was collected in Argentina, though where in the country is unclear. Alwin Berger erected the subgenus Trichocereus in 1905, incorporating this species. Vincenzo Riccobono elevated Trichocereus to genus status in 1909, and hence it was for many years known as Trichocereus spachianus. The genus encompassed a number of columnar cacti, before being subsumed into Echinopsis. However, a 2012 genetic analysis of chloroplast DNA indicates Echinopsis is made up of several divergent lineages. E. spachiana was not included in the study but is thought to be related to a Helianthocereus clade.

Distribution and habitat

Echinopsis spachiana is native to western Argentina. It is a declared weed in South Africa.

Echinopsis spachiana Trichocereus spachianus

Echinopsis spachiana ECHINOPSIS SPACHIANA

Echinopsis spachiana Cactus with flowers the size of dinner plates Echinopsis spachiana

Echinopsis spachiana cactiguidecomgraphics200espachiana200jpg

Echinopsis spachiana Golden torch cactus Echinopsis spachiana Ascot Vale Garden Centre

Echinopsis spachiana Golden Torch Cereus Echinopsis spachiana

References

Echinopsis spachiana Wikipedia


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