Square Bud Daisy
ExplorePlants
Square Bud Daisy
tetragonotheca repanda
The Square Bud Daisy (Tetragonotheca repanda) is a charming and resilient perennial wildflower native to the sandy pinelands and coastal plains of the southeastern United States. Belonging to the Asteraceae family, this plant is best known for its striking, square-shaped flower buds, which are formed by four large, leafy outer bracts. Once these buds unfurl, they reveal bright yellow daisy-like blossoms that light up the forest floor and sandy paths. As a hardy native species, the Square Bud Daisy plays a vital role in its local ecosystem, providing abundant nectar for native bees and butterflies. Its creeping growth habit and wavy-margined leaves make it an attractive groundcover in wild areas, and its ability to thrive in poor, sandy soils showcases its remarkable adaptability.
Habitat: Typically found in well-drained, sandy soils of open pine flatwoods, oak scrublands, and coastal plains.
Appearance
This low-growing perennial features distinct wavy-edged, soft green leaves with a slightly fuzzy texture. Its most diagnostic feature is the square, four-sided bud composed of four large, green, leaf-like outer bracts that enclose the developing flower. When open, the flower displays 10 to 15 bright yellow ray florets surrounding a dense center of dark yellow disk florets, with the entire bloom measuring about 3 to 5 centimeters across. The stems are often reddish-green and slightly sprawling, reaching a height of 20 to 50 centimeters.
KingdomPlantaePhylumTracheophytaClassMagnoliopsidaOrderAsteralesFamilyAsteraceaeGenusTetragonotheca
Category
PlantsRarity
Common
Danger
1/5 · Very low
Snaps
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Interesting facts
Its wavy, undulating leaf margins are the source of the specific epithet 'repanda,' which means turned-back or wavy in Latin.
The name Tetragonotheca translates directly to 'four-angled container,' referring to the perfectly square-shaped outer bracts of the flower bud.
While it looks like a single flower, like all members of the Aster family, each daisy is actually a composite of dozens of tiny individual flowers.
Special abilities
Ability
Four-Sided Armor
The unique square outer bracts tightly seal and protect the delicate developing floral organs from herbivorous insects and harsh sunlight.
Ability
Drought-Resilient Rooting
Maintains a deep taproot system that allows the plant to access moisture deep within loose, sandy soils during dry spells.
Ability
Nectar-Rich Secretion
Produces highly concentrated nectar that specifically attracts specialized native bee pollinators, ensuring high fertilization rates.
Measurements & details
- Length
- 20-50 cm
- Lifespan
- 3-7 years
- Incubation
- 14-28 days
Diet & Feeding
As a photosynthetic plant, it generates its own energy from sunlight, carbon dioxide, and water, supplemented by mineral absorption from sandy soils.
Primary Foods
- Sunlight
- Water
- Carbon dioxide
- Soil minerals
Ecological connections
eaten by
Wavy-lined Emerald Moth
Synchlora aerata
The caterpillars of this moth feed on the foliage and flower heads of various Asteraceae, including the Square Bud Daisy.
mutualism
Sweat Bee
Lasioglossum pectorale
Adult bees visit the yellow flowers to forage for pollen and nectar, acting as primary pollinators.
competitor
Wiregrass
Aristida stricta
Competes for space, sunlight, and soil nutrients in sandy pine understories.
Traits
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Also known as
No aliases listed yet.
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Safety
Danger
1/5 · Very low
No special safety notes yet.
Frequently Asked Questions
How to identify Square Bud Daisy?
The easiest way to identify Square Bud Daisy is to use the Snappit nature identifier app.
How long is Square Bud Daisy?
20-50 cm
How long does Square Bud Daisy live?
3-7 years
What does Square Bud Daisy eat?
As a photosynthetic plant, it generates its own energy from sunlight, carbon dioxide, and water, supplemented by mineral absorption from sandy soils.
Where is Square Bud Daisy usually found?
Typically found in well-drained, sandy soils of open pine flatwoods, oak scrublands, and coastal plains.
How long do Square Bud Daisy eggs take to hatch?
14-28 days
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