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Borzicactus (K. Schumann) Britton & Rose (1923)

(named to honor Prof. A. Borzi)
columnar, moderate upright, also creeping, to 4.9 ft (1.50 m) long
ribs roundish, partly with crosswise notches, around the areole thickened
spines very dense
flowers zygomorphic, tube round, strong

Highslide JS
 

Distribution

Bolivia, north Peru, Ecuador
savannas, clear forrests and in mountains

Growth preiod

partly sunny to full sun exposure, very warm location
very bright, barely sensitive to moisture
during the summer on warm days plenty watering

Winter period

bright and dry, not to cold at 46–53°F (8–12°C)

Soil-mixture

gravelly and permeable to water, a good drainage is necessary
addition of humus and quartz gavel is recommended
   
Borzicactus samaipatanus (Cárdenas) Kimnach (1960)
 
Highslide JS
  Highslide JS   Highslide JS
         

Habitat

Bolivia
Santa Cruz, near of Samaipata
in 6200 ft (1890 m) altitude

Description

named of the habitat
especially beautiful species, to 4.9 ft (1.50 m) high, 1.38–1.6 in (3.5 bis 4 cm) Ø
branching form the base, forms groups
ribs 14–16, with crosswise notches
areoles brownish

13–22 spines, to 1.2 in (3 cm) long, thin, different, gray-whitish, yellowish or brownish
flowers 1.6 in (4 cm) long, zygomorphic, strongly S-shaped, blood-red, stamens dark purple
fruits densely white and brown wooly
seeds very small, almost or complete black

Flowering time

May–October in cultivation
4–5 years from seed

Synonyms

Bolivicereus samaipatanus Cárdenas (1951)
Cleistocactus samaipatanus
(Cárdenas) D. R. Hunt (1987)
CITES Appendix II
 
Description of "Kakteen von A bis Z" by Walter Haage with courtesy by Kakteen-Haage made available.

 

 

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