Santa Rita Hedgehog Cactus
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Santa Rita Hedgehog Cactus
echinocereus santaritensis
The Santa Rita Hedgehog Cactus (Echinocereus santaritensis) is a captivating succulent native to the rugged mountain ranges of southeastern Arizona and northern Mexico. Nestled within oak-pine woodlands and clinging to rocky canyon walls, this cactus forms charming multi-stemmed clumps that blend seamlessly into its desert-mountain environment. It is highly valued by plant enthusiasts for its stunning, vivid scarlet to orange-red tubular flowers that burst into bloom during the late spring, transforming dry rocky outcrops into brilliant displays of color. Adapted to high-elevation desert zones, this resilient cactus showcases nature's capacity for survival under harsh conditions. Its dense, protective spines not only guard against hungry herbivores but also provide shade to the cactus stem, reducing water loss. As a vital component of its local ecosystem, it offers nectar to hummingbirds and fleshy fruits to local mammals, highlighting the interconnectedness of desert life. Use the Snappit app to scan, identify, and learn about Santa Rita Hedgehog Cactus in real-time.
Habitat: Found primarily on steep, rocky canyon slopes and ledges within montane oak-pine woodlands at elevations between 1,200 and 2,200 meters.
Appearance
This plant features cylindrical, pale green stems that grow vertically, typically reaching heights of 10 to 30 cm and forming dense clumps of up to several dozen stems. The stems are heavily ribbed, with clusters of sharp, needle-like spines that range in color from grayish-white to light brown, occasionally with yellow or reddish undertones. Its most defining feature is the brilliant, funnel-shaped flowers that emerge from the sides of the stems; these blossoms are vivid red, orange, or deep pink, with yellow centers. Following pollination, the cactus produces small, egg-shaped green fruits that turn red and fleshy as they mature.
KingdomPlantaePhylumTracheophytaClassMagnoliopsidaOrderCaryophyllalesFamilyCactaceaeGenusEchinocereus
Category
PlantsRarity
Common
Danger
1/5 · Very low
Snaps
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Interesting facts
A single mature clump of this slow-growing cactus can take over twenty years to reach its full multi-stemmed glory.
Its scientific name, echinocereus, comes from the Greek word 'echinos', meaning hedgehog, referring to its spiny, rounded stems.
The bright red flowers of this cactus are virtually odorless, a common trait for plants pollinated by birds, which rely on sight rather than smell.
Special abilities
Ability
Crassulacean Acid Metabolism
It performs CAM photosynthesis, opening its stomata at night to capture carbon dioxide to minimize water loss during the hot days.
Ability
Thigmotropic Rib Expansion
The accordion-like ribs of the stem expand to safely store large volumes of water after rainfall and contract during droughts.
Ability
Dense Solar Shielding
Its intricate array of sharp spines creates a micro-climate of shade over the stem surface, reducing transpiration and protecting against UV rays.
Measurements & details
- Length
- 10-30 cm
- Weight
- 0.2-3 kg
- Lifespan
- 15-40 years
Diet & Feeding
As a photoautotroph, it produces its own energy through photosynthesis, utilizing sunlight, carbon dioxide, water, and soil minerals.
Primary Foods
- Sunlight
- Carbon dioxide
- Water
- Soil minerals
Ecological connections
mutualism
Broad-billed Hummingbird
Cynanthus latirostris
Pollinated by hummingbirds seeking nectar from the bright red flowers.
eaten by
Cactus Mouse
Peromyscus eremicus
Fleshy red fruits are consumed by small mammals, which disperse the seeds in their droppings.
mutualism
Arizona White Oak
Quercus arizonica
Seedlings often germinate and grow under the shade and shelter of larger nurse plants.
Traits
No trait badges are assigned for this object yet.
Also known as
No aliases listed yet.
Collections
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Safety
Danger
1/5 · Very low
No special safety notes yet.
Frequently Asked Questions
How to identify Santa Rita Hedgehog Cactus?
The easiest way to identify Santa Rita Hedgehog Cactus is to use the Snappit nature identifier app.
How long is Santa Rita Hedgehog Cactus?
10-30 cm
How much does Santa Rita Hedgehog Cactus weigh?
0.2-3 kg
How long does Santa Rita Hedgehog Cactus live?
15-40 years
What does Santa Rita Hedgehog Cactus eat?
As a photoautotroph, it produces its own energy through photosynthesis, utilizing sunlight, carbon dioxide, water, and soil minerals.
Where is Santa Rita Hedgehog Cactus usually found?
Found primarily on steep, rocky canyon slopes and ledges within montane oak-pine woodlands at elevations between 1,200 and 2,200 meters.
Snap Map
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Where to spot
Park15 sightings12 species
Arizona, US
Chiricahua National Monument Historic Designed Landscape
You might spot Yarrow's Spiny Lizard and Mexican Jay.
View guide →
Park15 sightings12 species
Arizona, US
Faraway Ranch Historic District
You might spot Mexican Jay, Yarrow's Spiny Lizard, and White-Tailed Deer.
View guide →
