Fauna
Plant

Mexican Giant Cactus

Pachycereus pringlei

Also known as Cardon, Elephant Cactus, Cardon Pelon

Mexican giant cacti are massive columnar succulents that can weigh over twenty metric tons, forming the towering backbone of the Baja Californian desert canopy. Large nocturnal white blossoms open along the ribbed stems during spring, attracting nectar-feeding bats that serve as their primary cross-pollinators. Bacterial and fungal endophytes dwelling within their roots enable them to dissolve bare volcanic rock and establish seedlings in hyper-arid soils where few other plants survive.

SucculentDesertNight-Blooming
Mexican Giant Cactus reference1 / 7
(c) Stephen Marlett, some rights reserved (CC BY-SA) · cc-by-sa
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Least ConcernConservation statusIUCN Red List categoriesLCNTVUENCREWEXLeast ConcernRed List categories, explained →
Key facts
Diet & preyAutotrophic (Photosynthetic)
Predators
  • Desert Woodrat
  • Desert Bighorn Sheep
ThreatsAgricultural clearing, coastal urban development, invasive buffelgrass
HabitatsSonoran Desert scrub, rocky slopes, alluvial plains
Life span200–300 years
Classification
  1. OrderCaryophyllales
  2. FamilyCactaceae
  3. GenusPachycereus
  4. SpeciesPachycereus pringlei
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
Dense spines cause puncture wounds, and wild fruits have toxic look-alikes; admire from a respectful distance.
Responsible observation
  • Viewing Spines: Keep at least an arm's length away, as the stiff spines can easily penetrate thick clothing and footwear.
  • Night Viewing: Visit blooming stands after dusk in late spring with a red flashlight to watch for visiting pollinator bats.
Related species
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