Cardinal Feather
ExplorePlants
Cardinal Feather
acalypha radians
Cardinal Feather (Acalypha radians) is a fascinating, low-growing perennial herb native to the sandy soils of the southern United States and northern Mexico. Known for its striking, fuzzy red flower spikes that resemble bright cardinal feathers, this resilient plant brings a splash of vivid color to arid landscapes. It belongs to the Euphorbiaceae, or spurge family, which is famous for its diverse and often unusual plant forms. In the wild, Cardinal Feather serves as an important stabilizer for loose, sandy soils, utilizing its deep taproot to anchor itself against shifting dunes. It is highly adapted to drought and heat, thriving in environments where many other plants would quickly wither. This makes it a key ecological player in sand-prairie ecosystems, offering shelter to ground-dwelling insects and helping to prevent wind erosion.
Habitat: Found in open sandy prairies, coastal dunes, and dry oak woodlands, often flourishing in loose, nutrient-poor soils.
Appearance
This plant is easily recognized by its spreading, low-profile growth habit, typically reaching 10 to 40 centimeters in height. Its stems are covered in fine, grayish hairs and support small, rounded to fan-shaped leaves with distinctively scalloped edges. The most prominent feature is the bright crimson or deep pink female flower spikes, which are dense, cylindrical, and covered in soft, thread-like structures that give them a furry, feather-like texture.
KingdomPlantaePhylumTracheophytaClassMagnoliopsidaOrderMalpighialesFamilyEuphorbiaceaeGenusAcalypha
Category
PlantsRarity
Common
Danger
1/5 · Very low
Snaps
Be the first to snap!
Interesting facts
Cardinal Feather is a pioneer species, meaning it is one of the first plants to colonize and help stabilize disturbed sandy soils and dunes.
Despite looking like a soft, pet-able feather, the red spikes are actually complex structures of female flowers waiting to catch pollen.
The genus name Acalypha is derived from the ancient Greek word for nettle, due to the similar nettle-like shape of the leaves in some species.
Special abilities
Ability
Deep Anchor Taproot
Develops an exceptionally long and robust taproot that reaches deep water tables and stabilizes the plant in shifting sands.
Ability
Glandular Hair Barrier
Stems and leaves are covered in dense glandular hairs that reduce moisture loss and deter crawling insect pests.
Ability
Pistillate Wind Traps
The bright red, fuzzy pistils are feather-like to efficiently capture wind-blown pollen across open, breezy habitats.
Measurements & details
- Length
- 10+ cm
- Lifespan
- 3+ years
Diet & Feeding
As a photosynthetic plant, Cardinal Feather generates its own energy using sunlight, water, and carbon dioxide.
Primary Foods
- Sunlight
- Water
- Carbon dioxide
- Soil minerals
Foraging Method
- Photosynthesis
Ecological connections
eaten by
White-tailed Deer
Odocoileus virginianus
Provides occasional browse for deer in sandy rangelands.
competitor
Sandbur
Cenchrus spinifex
Competes directly for nutrients and water in sandy soils.
mutualism
Sweat Bee
Lasioglossum sp.
Native bees visit the flowers to collect pollen.
Traits
No trait badges are assigned for this object yet.
Also known as
No aliases listed yet.
Collections
Collections for this object will appear here as more themes are added.
Safety
Danger
1/5 · Very low
No special safety notes yet.
Frequently Asked Questions
How long is Cardinal Feather?
10+ cm
How long does Cardinal Feather live?
3+ years
What does Cardinal Feather eat?
As a photosynthetic plant, Cardinal Feather generates its own energy using sunlight, water, and carbon dioxide.
Where is Cardinal Feather usually found?
Found in open sandy prairies, coastal dunes, and dry oak woodlands, often flourishing in loose, nutrient-poor soils.
How does Cardinal Feather hunt?
Photosynthesis
Snap Map
Zoom in to split clusters and explore where this object has been snapped.
Loading map…
Recent Snaps
Recent snaps will appear here as new observations are added.
