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0381 Trichocereus chiloensis v. borealis Vicuna Hurtado 700-800 m.

Trichocereus chiloensis v. borealis Vicuna Hurtado 700-800 m.
Prezzo:
€ 3,00
  Codice Prezzo Disponibilità Quantità
0381 € 3,00 19

Descrizione

Pianta colonnare del Cile che in habitat può raggingere un'altezza di 8 metri. Produce spine imponenti e molto ornamentali che possono raggiungere la lunghezza di 25 cm (ma si solito in coltivazione restano più corte)

Family: Cactaceae (Cactus Family)

Trichocereus chiloensis v. borealis F. Ritter
Published in: Kakteen in Südamerika, 3: 1109, 1980

Scientific name: Trichocereus chiloensis
(Colla) Britton & Rose
Published in: The Cactaceae; descriptions and illustrations of plants of the cactus family 2: 137-139, f. 199-200, 1920

Origin: Chile.

Trichocereus chiloensis var. borealis is a fiercely spiny cactus. In habitat it can produce very long spines, up to 25 cm long, but usually shorter in cultivated specimens.

Description: T. chiloensis borealis is a fiercely spiny cactus. It develops into a shrub or small tree. Rarely single, usually of several branches, sometimes of many, arising from near the base, starting nearly at right angles to the main trunk but soon erect.
Stem:, Stout, cylindrical up to 8 m tall, stems 10-12.5 cm in diameter
Ribs: 10 to 17 low and broad ribs, separated by narrow intervals, divided into large tubercles even when fully mature.
Areoles: Areoles large whitish, 2 cm apart.
Spines: Creamy-white to yellowish with brown tips, at least when young, greyish later;
Central spines: Usually 1 (or sometime up to 4) stout, 5-10 cm (or even 25 cm) long
Radial spines: 8 to 12 1-2 cm long (occasionally up to 5 cm).
Flowers: Flower Nocturnal (opening at the end of the day) 14 cm. long, outer perianth-segments white but tinged with red or brown; inner perianth-segments white, acuminate.
Fruit:
Globose green.

Cultivation: It is very easy to grow and cold hardy as low as -12°C (or less). Need a fertile, well drained soil mix. Water the plants well and allow them to dry before watering again. This species seems to do better with a little more water than most cacti. In fact, its cultivation requirements are really more like 'normal' plants than most other cacti. During the growing season fertilize them monthly with a balanced fertilizer
Sun Exposure: Outside full sun, inside needs bright light, and some direct sun. During winter month, put them in a cool luminous place and encourage them to enter winter dormancy by withholding water and fertiliser over the winter as they will etiolate, or become thin, due to lower levels of light. They are susceptible to fungal diseases if overwatered, but are not nearly as sensitive as many other cacti, especially in warm weather. They tend characteristically towards black rotted spots unless watering is moderate and only in hot weather, if kept damp through cold periods, they will invariably suffer.
T. chiloensis produces noticeable amounts of growth each year if kept well fed and watered throughout the warmest months, particularly if it has been acclimatised to accept full sun. Once this cactus is established it can easily produce 20cm of growth every year.

Propagation: Cutting or from seed. The seeds are quite