Fauna
Plant

Palmer's Agave

Agave palmeri

Also known as Palmer Century Plant, Palmer's Century Plant

Palmer's agave forms massive, blue-green rosettes with fiercely spined leaf margins across the arid mountain slopes of the Sonoran and Chihuahuan Deserts. After growing for up to 30 years, the plant produces a single towering flower stalk laden with yellow-green, nectar-rich blooms before dying. These blossoms serve as an essential nectar source for migratory bats during their northern journey.

DesertSucculentBat-Pollinated
Palmer's Agave reference1 / 7
(c) CK2AZ, some rights reserved (CC BY), uploaded by CK2AZ · cc-by
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Least ConcernConservation statusIUCN Red List categoriesLCNTVUENCREWEXLeast ConcernRed List categories, explained →
Key facts
Diet & preyAutotrophic (Photosynthetic)
Predators
  • Herbivorous insects
  • Small mammals
  • Javelinas
ThreatsHabitat loss, climate change, over-harvesting for mescal production
HabitatsArid mountainsides, desert scrub, oak woodlands, rocky canyon slopes
Life span10–30 years (monocarpic)
Classification
  1. FamilyAsparagaceae
  2. SpeciesAgave palmeri
Range & activity
Range data is not available yet.
Safe observation
Interaction riskLow
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is low
Raw sap contains calcium oxalate crystals that irritate skin, and leaf tips bear sharp puncture spines.
Why it is dangerous
Raw sap contains saponins and microscopic calcium oxalate crystals that penetrate skin and trigger severe contact dermatitis, itching, and swelling.
How to recognize a risky encounter
Recognized by dense rosettes of rigid, grey-green leaves tipped with long dark terminal spines and tooth-lined margins.
What to do
Wear thick leather gloves and long sleeves around leaves, and avoid cutting plants without full skin protection.
Responsible observation
  • Watch Spines: Maintain space from leaf tips to avoid deep punctures from sharp terminal spines.
  • Spot Night Visitors: Scan blooming stalks after sunset with a red light to view foraging nectar bats.
  • Respect Lifecycle: Avoid damaging young rosettes as they require decades to build energy for flowering.
Related species
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