Matucana hoxeyi

Hoxey's Matucana

Overview

Matucana hoxeyi is a rare and highly sought-after cactus species belonging to the Cactaceae family, native to the high-altitude valleys of Peru 1. It is highly prized by collectors for its compact growth and vibrant flowers.

Taxonomy and Naming

The species is named in honor of the renowned British cactus explorer Paul Hoxey 2. Classified under the genus Matucana, this species is distinguished by its unique spine formation and floral morphology.

Distribution and Habitat

This succulent subshrub is native to the steep, rocky slopes of the Rio Santa valley in the Ancash region of Peru, growing at elevations of 1500 to 2000 meters 1. It thrives in arid, sun-drenched mountain microclimates.

Morphology

It features a globose to short cylindrical body, typically solitary. The ribs are well-defined, bearing areoles with greyish-brown to golden spines. In summer, it produces stunning, bright orange-red zygomorphic flowers that are typical of the Matucana genus 2.

Cultivation and Care

It requires a highly porous, gritty, well-draining soil mix. Water thoroughly during the active growing season (spring and summer) only when the soil has completely dried out. In winter, maintain a strict dry period. It prefers bright, filtered sunlight.

Common Cultivation Mistakes

Overwatering during the dormant winter phase is the primary cause of root rot. Lack of adequate sunlight leads to etiolation, stretching the spherical stem into an unsightly elongated shape.

References

  1. Plants of the World Online (POWO), Kew Royal Botanic Gardens.
  2. International Cactus Adventures, Taxonomic surveys of Matucana species.
Light

Filtered Sun

Bright, filtered sunlight; protect from intense midday summer sun.

Watering

8-30 Days

Allow soil to dry out completely between waterings; keep dry in winter.

Soil

Highly porous cactus soil mix with grit and pumice

Very porous mix with coarse sand, pumice, and minimal organic matter.

Safety

Pet Friendly

Spiny stems require careful handling; non-toxic to humans and pets.

Difficulty

Moderate

Requires some experience with watering discipline to prevent rot.

Native Habitat

Peru (Western South America)

Native to the high-altitude rocky slopes of the Rio Santa valley in the Ancash department of Peru, where it grows in dry, sunny, mountainous conditions.

Frequently Asked Questions

How often should Matucana hoxeyi be watered?
Water only when the soil is completely dry during spring and summer (approx. every 8-10 days). Keep it completely dry during the winter months.
What is the best soil mix?
A quality cactus mix combined with 50% pumice, lava rock, or coarse grit is ideal. The drainage must be excellent.
Is Matucana hoxeyi toxic to pets?
No, it is non-toxic. However, its sharp spines can pose a physical injury hazard to curious pets and children.
How do I encourage it to bloom?
Provide plenty of bright light in summer and a cool (5-10°C), completely dry winter rest. This winter dormancy triggers blooming.
Can it tolerate direct sun?
It loves morning sun, but should be protected with light filtration from the scorching midday sun during peak summer.
When should it be repotted?
Repot in early spring only when the roots have filled the pot (usually every 2-3 years), moving up to just one size larger.
What temperature can it tolerate in winter?
It can tolerate temperatures down to 5°C for brief periods, provided it is kept completely dry. It must be protected from frost.
Why is my cactus stretching and losing shape?
This is due to insufficient light (etiolation). You should move the plant to a brighter location with filtered sunlight.
How fast does it grow?
It is a slow-growing cactus species. It requires patient care, growing only a few millimeters to centimeters per year.
How can I prevent root rot?
Prevent it by watering only when the soil is dry, using pots with drainage holes, and stopping all watering during winter dormancy.