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Coryphantha jalpanensis

Jalpan Beehive Cactus

Overview

Coryphantha jalpanensis is a fascinating, slow-growing succulent subshrub belonging to the Cactaceae family, known for forming attractive dense clumps over time in arid environments.

Taxonomy and nomenclature

The species is named after the town of Jalpan in Querétaro, Mexico, where it was originally collected 1. The genus name Coryphantha is derived from Greek words meaning 'flowering on the summit', referencing its apical bloom habit 2.

Natural range and habitat

Native to Mexico, specifically within the states of Querétaro, San Luis Potosí, and Hidalgo 1. It thrives on rocky limestone hillsides, semi-desert scrublands, and dry slopes at moderate to high elevations.

Appearance

The stems are spherical to short cylindrical, featuring prominent tubercles tipped with clusters of needle-like, grayish-yellow spines. The apex is covered in whitish wool, from which large, funnel-shaped yellow flowers emerge in late spring 2.

Cultivation care

It requires a well-drained mineral substrate and bright, direct sunlight to maintain its compact shape and promote flowering. Water thoroughly but infrequently during the growing season, and keep completely dry in winter.

Common care mistakes

Overwatering during the winter dormancy is the leading cause of root rot. Lack of adequate sunlight leads to etiolation, causing the cactus to stretch and weaken.

References

  1. Plants of the World Online (POWO), Royal Botanic Gardens, Kew. ↩
  2. Anderson, E. F. (2001). The Cactus Family. Timber Press. ↩
Light

Full Sun

Requires full sun or very bright direct light to prevent stretching.

Watering

7-30 Days

Allow soil to dry out completely. Keep completely dry in winter.

Soil

Highly porous, well-draining sandy and pumice-rich cactus soil mixture

Requires porous, gritty mineral mixes with excellent drainage.

Safety

Contact/Ingestion Risk

Sharp spines can cause physical injury. Handle with care and keep away from pets.

Difficulty

Moderate

Moderate; very forgiving if kept dry, but highly sensitive to overwatering.

Native Habitat

Mexico (Querétaro, San Luis Potosí, Hidalgo)

Found naturally on rocky limestone outcrops and dry shrublands of central Mexico, well-adapted to high-altitude arid climates.

Frequently Asked Questions

How often should I water Coryphantha jalpanensis?
Water only when the soil is completely dry, roughly every 7-10 days in summer. In winter, withhold water entirely.
Which pot type should I choose?
Terracotta or clay pots with drainage holes are ideal, as they absorb excess moisture and allow soil to dry quickly.
Is it toxic to pets?
It is not chemically toxic, but its sharp, stiff spines present a physical hazard to curious pets.
Where should it be placed indoors?
Place it in a south- or west-facing window where it can receive maximum direct sunlight.
When does it bloom?
It blooms with yellow flowers at the apex during late spring and summer, provided it receives enough sun and winter rest.
What is its growth rate?
It is a slow-growing cactus that requires patience, gradually clumping over several years.
Is it cold hardy in winter?
It can tolerate brief drops to -5°C (23°F) if kept completely dry, but should be protected from hard frost.
What is the best soil mix?
Use a mixture of standard cactus soil heavily amended with pumice, perlite, and coarse sand for extreme drainage.
When should it be repotted?
Repot every 2-3 years in early spring, only when the plant has outgrown its current container.
Why is my cactus stretching and losing shape?
This is due to lack of light (etiolation). Move the plant to a brighter location with direct sunlight immediately.