Espostoa lanata

Espostoa lanata
Espostoa lanata var. gracilis
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Core eudicots
Order: Caryophyllales
Family: Cactaceae
Genus: Espostoa
Species: E. lanata
Binomial name
Espostoa lanata
(Kunth, 1823) Britton & Rose, 1920
Synonyms

Cactus lanatus Kunth

Espostoa lanata (= Woolish Espostoa) is a species of cacti of the genus Espostoa.

Its common names are : Peruvian old man cactus, cotton ball cactus, snowball cactus, snowball old man.

Habitat

Its original habitat is from southern Ecuador to the northern Peru on the west slopes of the Andes mountains.

Description

Source : [1]
Espostoa lanata is a columnar cactus. It looks like Cephalocereus senilis (the Old Man of Mexico) : it is a densely hairy species, covered by a warm woolly coat and well adapted to high altitudes. The main difference is the presence of sharp spines on Espostoa. It is wide spread in its habitat and quite variable in size and spines, and for this reason it has received several names.

The plant is a column up to 7 meters tall in the wild, but only 3 meters when cultivated. The diameter is from 5 to 20 cm. There are 18 to 25 ribs. The ribs and the sharp are mainly hidden by tissue woolly. It branches only after several years.

It flowers at night from a lateral cephalium after several years.

Woolly hairs have been used for pillow filling in Peru.

Cultivation

Source : [1]
Espostoa lanata is easy to grow. It needs a fertile and well drained soil. In summer, water the plants well but allow them to dry before watering again. Use monthly a fertilizer for cacti.

In winter, keep it dry and the temperature may be as low as -12°C, but it is better to keep it without frost.

The exposure must be sunny in summer and at least luminous in winter.

In favorable conditions (sun, water, large place), it can grows 20 cm every year.

Notes and references

References

  1. 1 2 http://www.cactus-art.biz/schede/ESPOSTOA/Espostoa_lanata/Espostoa_lanata/Espostoa_lanata.htm
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