Agave chiapensis Jacobi
Chiapas Agave
Agave chiapensis is a monocarpic succulent endemic to the highlands of Chiapas, Mexico, growing at elevations between 1,200 and 2,000 m in pine-oak forests and secondary scrublands on well-drained rocky soils. It is distinguished by medium-sized rosettes of lanceolate mid-green to grey-green leaves, moderate marginal denticulation, and a robust dark-brown terminal spine. Like all agaves it flowers only once in its lifetime—after 15 to 30 years—producing a spectacular floral scape of up to 5 m that attracts bats and hummingbirds as pollinators. Indigenous Tzotzil and Tzeltal communities of Chiapas have historically used its fibres for rope-making and artisanal textiles.
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Overview
| Category | Classification |
|---|---|
| Family | Asparagaceae |
| Genus | Agave |
| Growth Habit | Acaulescent to subcaulescent medium rosette, monocarpic; occasionally produces basal offsets. |
| Conservation Status | Not Evaluated (IUCN). Its restricted range in the Chiapas highlands and ongoing deforestation pressure make it a regional conservation priority. |
| pH Target | 6.5–7.5 |
| Type | Rocky, loam to sandy-loam soils, neutral to slightly acid pH |
Origin & Habitat
Morphology
Lanceolate to linear-lanceolate, 50–80 cm long × 6–10 cm wide at base; mid-green to grey-green; adaxial surface slightly concave, abaxial convex; margins with horny teeth 3–6 mm separated 1–2 cm; terminal spine 3–5 cm, subulate, dark brown.
ecoTubular to campanulate, 6–8 cm long, yellow-green to yellow; arranged in a dense spicate panicle on a scape 4–5 m tall; 6 tepals fused at the basal half; stamens exserted; flowering summer (June–August).
ecoVery short vegetative stem (acaulescent to subcaulescent), 5–15 cm, robust and fibrous; increases gradually in girth with age until all energy is directed to the terminal floral scape.
ecoFibrous and shallow root system, spread widely horizontally (radius up to 1.5 m) to maximise rainfall and dew capture on the rocky hillsides of the Chiapas highlands.
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Requirements
Soil & Substrate
Type
Rocky, loam to sandy-loam soils, neutral to slightly acid pH
groups Beneficial Associations
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Propagation Strategy
P
O
Every 3–4 years or when roots collapse the container.
Minimal fertilisation: one application of low-nitrogen fertiliser (NPK 5-10-10) in spring. Excess nitrogen softens tissues and promotes pathogens.
Uses & Applications
Precautions / Toxicity
Mildly irritant. Fresh sap may cause contact dermatitis; the terminal spine is hazardous and can cause deep puncture wounds. Keep away from children and pets.
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Plant Health
Root rot (Phytophthora, Fusarium) — favoured by overwatering and compacted substrates.
Mealybugs (Pseudococcus spp.) — shelters at leaf bases and roots; treat with isopropyl alcohol or systemic insecticide.
Agave snout weevil (Scyphophorus acupunctatus) — larvae bore into the heart; preventive control with systemic imidacloprid.
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"A. chiapensis thrives best in cool, well-ventilated conditions. In tropical lowland collections it is advisable to raise the substrate to maximise drainage and prevent basal rot during the rainy season."
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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.