Echinopsis yuquina

Yuquina Cactus

Overview

Echinopsis yuquina is a perennial succulent subshrub in the family Cactaceae, native to the high-altitude arid regions of Bolivia 1. Characterized by its spiny cylindrical stems and vibrant funnel-shaped blossoms, this species is highly valued by succulent collectors for its resilience and striking floral display.

Taxonomy and Naming

Named after the locality of Yuquina in Bolivia where it was discovered, this species belongs to the large genus Echinopsis. Depending on taxonomic classification preferences, it has historically been grouped under Lobivia 2. However, modern phylogenetic studies and database records such as POWO accept it under the genus Echinopsis.

Distribution and Habitat

This cactus is native to western and southern Bolivia, particularly within the Chuquisaca department 1. It thrives in dry shrublands, rocky slopes, and desert environments at high altitudes ranging from 2,500 to 3,200 meters above sea level, making it relatively cold-hardy.

Appearance

The stems are globose to short-cylindrical, clumping from the base to form dense cushions over time. It features pronounced vertical ribs armed with rigid, grayish-brown spines. During late spring and summer, it produces spectacular, bright red to orange-red flowers that open during the day 2.

Culture and Cultivation

Echinopsis yuquina requires excellent drainage and a mineral-rich substrate. During the spring and summer active growth phase, water thoroughly but allow the substrate to dry out completely between waterings. Provide a cool, completely dry winter dormancy period to encourage robust health and seasonal blooming.

Common Cultivation Mistakes

Overwatering is the most common pitfall, rapidly leading to root and stem rot. Insufficient sunlight causes etiolation, where the plant grows weak and stretched. Skipping the cool, dry winter rest period will often prevent the cactus from blooming in the following season 2.

References

  1. Plants of the World Online (POWO), Royal Botanic Gardens, Kew.
  2. GBIF (Global Biodiversity Information Facility) Species Database.
Light

Bright Indirect Light

Requires bright light with at least 4-6 hours of direct or highly filtered sunlight daily.

Watering

10-30 Days

Water only when the substrate is fully dry. Keep almost entirely dry in winter.

Soil

Well-draining cactus mix with pumice and coarse sand

Requires highly porous, gritty cactus soil mix rich in pumice, perlite, and coarse sand.

Safety

Risky for Pets

Features sharp spines that can cause physical injury. Keep out of reach of pets and children.

Difficulty

Easy

Very easy to maintain, provided you avoid overwatering and allow a cool winter rest.

Native Habitat

Bolivia

Native to the high-altitude rocky slopes and dry mountain shrublands of Bolivia, particularly in the Chuquisaca region.

Frequently Asked Questions

How often should Echinopsis yuquina be watered?
During summer, water it only when the soil is completely dry (typically every 10 days). In winter, reduce watering to once a month or keep dry.
Is it toxic to pets?
While not chemically highly toxic, its sharp spines present a physical hazard to pets, classifying its safety status as caution or toxic to pets.
What type of soil does it prefer?
It prefers extremely well-draining cactus soil mixes enriched with pumice, perlite, and coarse sand.
When does Echinopsis yuquina bloom?
It blooms in late spring and summer with bright red-orange flowers, provided it gets enough sunlight and a cool winter rest.
Where should I keep the cactus in winter?
Keep it in a cool, dry, frost-free room or enclosed balcony with temperatures around 5-10°C during winter dormancy.
How fast does it grow?
It is a slow to moderate grower. Over the years, it offsets from the base to form small clumps.
How does insufficient light affect the cactus?
In low light, the stem stretches unnaturally toward the light source (etiolation), becoming thin, weak, and pale green.
When should it be repotted?
Repot every 2-3 years in early spring using a slightly larger pot with fresh, well-draining soil.
Does it need fertilizer to bloom?
Applying a low-nitrogen cactus fertilizer once a month during spring and early summer can stimulate healthier growth and blooms.
How cold-hardy is it?
It can tolerate brief light frosts down to -2°C if kept completely dry, but protection from hard frost is highly recommended.