Cleistocactus strausii (Heese) Backeb.

Silver Torch

Stems to several metres long with mostly 25-30 ribs. Areoles close-set with mostly 30-40 spines the longest to 5 cm long, white. Flowers dark red.

S Bolivia


C. tupizensis (Vaupel) Backeb. is sometimes available and differs most obviously in having 18-24 ribs and up to 20 radial spines per areole.

Source: Thompson, A, ; Forbes, S.; Spencer, R. (1997). Cactaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 2. Flowering plants. Dicotyledons. Part 1. The identification of garden and cultivated plants. University of New South Wales Press.

Distribution map
kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Caryophyllanae
order      Caryophyllales
family       Cactaceae
genus        Cleistocactus Lem.