Agave fourcroydes Lem.
Henequen / Yucatan Sisal
Henequen is one of the world's most important fiber crops, intensively cultivated on the Yucatán Peninsula since pre-Hispanic times. Its stiff, upright bluish-grey leaves can reach over 1.5 m in length and contain tough fibers used in rope, sacking, and netting. It is monocarpic: it flowers once, producing a towering 5–8 m floral stalk, then dies, leaving numerous lateral offshoots. It is also used for artisanal mezcal production in some regions.
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Overview
| Category | Classification |
|---|---|
| Family | Asparagaceae |
| Genus | Agave |
| Growth Habit | Solitary rosette of stiff, erect, lanceolate leaves with a sharp terminal spine and corneous marginal teeth. Short, robust stem. Produces abundant rhizomatous offsets. |
| Conservation Status | Least Concern (LC) — IUCN. Widely cultivated; wild populations persist on the Yucatán Peninsula. |
| pH Target | 6.5–8.5 |
| Type | Calcareous, sandy, gravelly, very well-drained |
Origin & Habitat
Morphology
Lanceolate, stiff, erect, 1.2–1.8 m long and 8–12 cm wide, blue-grey with waxy pruinescence. Terminal spine 2–5 cm, dark brown. Margins with irregular corneous teeth spaced 1–3 cm apart.
ecoYellowish-green, tubular, 6–7 cm, arranged in dense racemes on a 5–8 m scape. Single bloom at end of life cycle (10–25 years). Pollinated by bats and moths.
ecoShort, thick caudex, barely visible beneath the dense rosette. In mature plants can reach 30–60 cm in diameter.
ecoShallow, extensive root system occupying the top 30–50 cm of soil. Horizontal rhizomes produce the characteristic clonal offsets.
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Requirements
Soil & Substrate
Type
Calcareous, sandy, gravelly, very well-drained
groups Beneficial Associations
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Propagation Strategy
D
O
Only when the pot is fully root-bound; every 4–5 years or when offsets collapse the container.
Minimal fertilization: one application of slow-release low-nitrogen granular fertilizer at the start of the growing season (spring). Avoid nitrogen-rich formulas.
Uses & Applications
Precautions / Toxicity
Sap is irritating to skin and mucous membranes; leaf teeth and terminal spine are physically hazardous. Ingestion uncommon; consult a physician if ocular exposure occurs.
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Plant Health
Root rot (Phytophthora spp., Fusarium spp.) — favored by poor drainage or overwatering. Symptoms: soft base, yellowing leaves.
Mealybugs (Pseudococcus spp.) — colonize leaf axils and roots; weaken the plant.
Agave snout weevil (Scyphophorus acupunctatus) — major pest in henequen plantations; larvae bore through the stem causing rapid collapse.
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"Henequen was the backbone of the Yucatecan economy during the 19th and early 20th centuries, known as 'green gold'. Industrial cultivation has declined in the face of synthetic fibers, but it persists in Mayan communities as a source of artisanal income and niche mezcal production."
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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.