Beaucarnea longifolia (Karw. ex Schult. & Schult.f.) Baker
Long-leaved beaucarnea
Beaucarnea longifolia (Karw. ex Schult. & Schult.f.) Baker is a species distributed in the Mexican states of Hidalgo, Puebla, and Veracruz. As its epithet suggests, it is characterized by its particularly long leaves that can exceed 150 cm. Also known under its synonym Nolina longifolia, it is a robust caudiciform very well adapted to warm and dry climates. Its growth habit creates very striking specimens in Mediterranean and subtropical climate gardens.
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Overview
| Category | Classification |
|---|---|
| Family | Asparagaceae |
| Genus | Beaucarnea |
| Growth Habit | Perennial caudiciform tree; moderate to large swollen base. Linear leaves 100–180+ cm long, longer than most species in the genus. Can reach 3–7 m in habitat. Trunk branching at maturity. |
| Conservation Status | Poorly evaluated by IUCN; habitat destruction and extraction for ornamental trade pose moderate threats. |
| pH Target | 6.0–7.5 |
| Type | Sandy loam, very well drained |
Origin & Habitat
Morphology
Leaves the longest in the genus — from 100 to over 180 cm — linear, bright green, with finely serrated margins. Recurved toward the tip but more erect at the base.
ecoSwollen base, less pronounced than in B. recurvata, with fibrous grey-brown bark. Stores water reserves for the dry season.
ecoPaniculate inflorescences with small white to cream flowers. Dioecious. Flowering in spring-summer.
ecoSingle trunk with characteristic fibrous bark; branching at maturity.
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Requirements
Soil & Substrate
Type
Sandy loam, very well drained
groups Beneficial Associations
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Propagation Strategy
- 1 Soak seeds 24 h in warm water
- 2 Sow in mineral mix 50% potting soil + 50% perlite
- 3 Keep at 22–28 °C with moderate humidity
- 4 Transplant to individual pot when exceeding 5 cm
L
Overwatering
Every 3–4 years in spring
Fertilizer diluted to 50% once a month in spring-summer.
Uses & Applications
Precautions / Toxicity
Slightly toxic to pets.
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Plant Health
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"B. longifolia was originally described as Nolina longifolia. The synonymy with the genus Beaucarnea was consolidated following phylogenetic revisions of the Nolinoideae complex. Its leaves are the longest in the genus, a characteristic that makes it very striking in botanical collections."
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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.