Pachyphytum compactum Rose
Little Jewel
Pachyphytum compactum, known as Little Jewel, is a compact succulent endemic to Hidalgo, Mexico, growing on limestone cliffs and rocky slopes between 1,700 and 2,400 m a.s.l. It is distinguished by its angular, multi-faceted leaves in grey-green to bluish tones, giving the plant the appearance of a cut gem.
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© Seán A. O'Hara
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Overview
| Category | Classification |
|---|---|
| Family | Crassulaceae |
| Genus | Pachyphytum |
| Growth Habit | Very compact and dense rosette; short stem branching to form clumps of rosettes over time. |
| Conservation Status | Not assessed by IUCN; endemic to Hidalgo (Mexico), with restricted distribution and susceptible to collection. |
| pH Target | 6.0 – 7.0 |
| Type | Very thin, mineral calcareous soil; slightly acidic to neutral pH. |
Origin & Habitat
Morphology
Cylindrical-angular leaves 2–3 cm long, with 5–7 flat faces forming visible ridges; grey-green color with purple or whitish tints under high light; moderate farina. The angular form is diagnostic of the taxon within the genus.
ecoErect, short stem (5–10 cm), tending to produce basal and lateral offsets; surface covered in angular leaf scars.
ecoInflorescence a raceme 15–25 cm; tubular 5-petaled flowers bright red to orange-red; appearing February to April, very striking against the grey foliage.
ecoCompact, shallow fibrous root system; excellent adaptation to very thin substrates in limestone rock crevices.
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Requirements
Soil & Substrate
Type
Very thin, mineral calcareous soil; slightly acidic to neutral pH.
groups Beneficial Associations
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Propagation Strategy
- 1 Select a fully mature leaf with well-defined angular markings; gently twist it until it detaches cleanly.
- 2 Hold only the base of the leaf and allow it to callus for 2–3 days in a well-ventilated spot without intense direct light.
- 3 Place on dry mineral substrate without burying; the angular shape aids contact with the substrate.
- 4 Lightly mist the substrate every 5–7 days until roots and plantlets appear in 3–5 weeks.
- 5 Transplant plantlets individually with tweezers when they reach 1 cm.
- 1 Cut a stem segment with rosette using sterilized scissors.
- 2 Remove lower leaves at their base; the angular shape of P. compactum leaves makes clean separation easier.
- 3 Allow the cut to callus for 3–5 days in an airy spot.
- 4 Plant in dry mineral substrate and water for the first time after 7 days.
Never touch the pruina/farina; handle leaves and stems at their base only. Fingerprints permanently damage the coating and erase the striking angular markings.
Touching the leaves with fingers and erasing the angular markings that give the species its identity.
Every 2–3 years in spring. Use small terracotta pots as the roots are shallow.
Fertilize once a month in spring and summer with cactus fertilizer at half dose. No fertilizer in autumn-winter.
Uses & Applications
Precautions / Toxicity
No toxicity reports; considered harmless to humans and pets.
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"The angular leaf facets are an evolutionary result of growing compressed within rock crevices: each flat face optimizes light capture according to the solar angle on Hidalgo cliff faces. It is the easiest species in the genus to propagate from leaf cuttings."
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Scientific Integrity
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Sources
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Discussion
Disclaimer
This species record is provided for educational and informational purposes only. Jardín Roca Negra does not guarantee the accuracy or completeness of the data. Content is community-curated and may be subject to revision; it should not replace advice from a qualified botanist. This species may be toxic, invasive, or subject to legal restrictions — verify before handling or cultivating. Jardín Roca Negra accepts no liability for any harm arising from reliance on this information. Images are reproduced under Creative Commons or equivalent free licenses; credits are noted below each image.