Wedelia Trilobata
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Wedelia Trilobata

Sphagneticola trilobata

Basic Details
Description
Floral Formula
Features
Translations
Related

About Wedelia Trilobata

NameWedelia Trilobata
Description

Wedelia Trilobata, botanically classified as Sphagneticola trilobata and commonly known as the Creeping Daisy, Singapore Daisy, Trailing Daisy, or Creeping Oxeye, is an exceptionally fast-growing, mat-forming perennial herbaceous groundcover. Belonging to the family Asteraceae (the daisy or sunflower family, tribe Heliantheae), this high-vitality plant is native to the wet, coastal, and tropical lowlands of Mexico, Central America, the Caribbean, and northern South America.

This robust trailing herb stands 6 to 12 inches (15 to 30 cm) tall and spreads indefinitely, forming extremely dense, lush carpets. It climbs and spreads by means of trailing, succulent green or reddish stems that root rapidly and aggressively at every node touching the soil. It carries oppositely arranged, bright dark green, and fleshy leaves measuring 2 to 4 inches (5 to 10 cm) long. The leaves are deeply three-lobed (trilobate) with coarsely toothed margins and a slightly glossy, rough-textured surface.

It is celebrated for its highly constant, year-round production of bright, cheerful, golden-yellow daisy-like flower heads (capitula) measuring 0.75 to 1 inch across. Individual heads feature 8 to 13 notched, flat ray florets surrounding a central core of dense, yellow tubular disc florets. These flowers rise elegantly on upright stems above the dense foliage mat. The flowers are followed by small, dry, seed-like achenes that can float in water, facilitating rapid dispersal.

The radially symmetrical reproductive morphology of the central disc florets is represented by the family-specific floral formula EBr ⊕ ⚿ K0 C(5) A(5) G̅(2). This formula states that the flowers are ebracteate (lacking bracts), actinomorphic, and bisexual. The calyx is reduced to small, inconspicuous scales (K0). The corolla consists of 5 fused petals forming a tubular mouth. The androecium contains 5 stamens with anthers fused into a tight cylinder (syngenesious) surrounding the style, and the gynoecium contains 2 fused carpels with an inferior ovary.

The historical genus name Wedelia honors Georg Wolfgang Wedel (1645-1721), a distinguished German professor of botany and chemistry. Famed in Sanskrit as Pītabhranga (पीतभ्रंग, 'yellow bhringraj') and in Hindi as Pilabhangara (पीला भंगरा) or Bhringra (भंगरा), this plant is listed by the IUCN as one of the world's 100 worst invasive alien species because its dense monocultures rapidly smother native plants and disrupt delicate tropical wetland ecosystems.

For pet owners and veterinarians, Wedelia Trilobata represents a highly reassuring, non-toxic garden groundcover. *Sphagneticola trilobata* is classified as completely NON-TOXIC to dogs, cats, and horses by major global animal poison control databases. If a dog or cat runs over its mats or occasionally chews on its succulent leaves, there is no threat of chemical poisoning. However, physical contact with its stiff, rough foliage hairs and milky sap can occasionally cause mild contact skin irritation in highly sensitive pets. For safety tips, visit our general Pet Guard page.

Wedelia is occasionally confused with lawn dandelions or other wild yellow daisies. It is easily distinguished by its trailing, woody green stems that root at the nodes and its thick, fleshy, deeply three-lobed leaves. It is an outstanding choice for securing sunny banks and dry retaining walls underneath taller climbing species like Bougainvillea or Allamanda. To explore more tropical groundcovers, browse our Flower Identifier.

FamilyAsteraceae
GenusSphagneticola
TribeHeliantheae

Floral Formula & Features

Floral FormulaEBr ⊕ ⚿ K0 C(5) A(5) G̅(2)

Ebracteate (no bracts), Actinomorphic (radially symmetrical), bisexual, no calyx (pappus may be present), 5 fused petals (ray or disc florets), 5 stamens with fused anthers forming tube around style (syngenesious), 2 fused carpels with inferior ovary typical of Asteraceae

Features
  • Scientific Name & Classification: Sphagneticola trilobata (Asteraceae). Globally famed as Creeping Daisy, Singapore Daisy, Trailing Daisy, and Wedelia Trilobata.
  • Identification Markers: Trailing fleshy stems that root at nodes, opposite thick three-lobed leaves, and 1-inch golden-yellow daisy-like flowers with 8-13 notched petals.
  • Floral Formula (EBr ⊕ ⚿ K0 C(5) A(5) G̅(2)): Radially symmetrical, bisexual disc florets with reduced calyx, 5 fused petals, 5 syngenesious stamens, and 2 fused carpels with inferior ovary.
  • Growing Requirements: Full direct sun (for maximum flowering) to deep tropical shade; highly adaptable to clay, sandy, saline, or waterlogged soils. Frost-sensitive (Zones 9-11).
  • Cultural Significance: Honors German botanist Georg Wolfgang Wedel. Famed in Sanskrit as 'Pītabhranga.' Highly invasive weed listed in the world's top 100 worst invasive alien species.
  • Safety & Toxicity: NON-TOXIC. 100% safe for cats, dogs, and horses. Provides a tough, durable soil-binding groundcover that poses zero chemical poisoning threats to household pets.
  • Common Look-alikes: Confused with lawn Dandelions, but easily distinguished by its trailing succulent runners that root on contact with the soil and its thick lobed leaves.
  • Internal Links: Serves as a wonderful, durable, weed-smothering ground carpet under towering tropical trellis climbers like Bougainvillea or Allamanda; find more in our Flower Identifier.

Names in Different Languages

Latin / ScientificSphagneticola trilobata
English (Alternate)Sphagneticola Trilobata, Creeping Daisy, Singapore Daisy, Trailing Daisy, Yellow Dots, Creeping-oxeye, Wedelia Trilobata
Hindiपीला भंगरा (Pilabhangara), भंगरा (Bhringra), भानरा (Bhanra)
Tamilமஞ்சள் கரிசலாங்கண்ணி (Manjal Karisalankanni), மஞ்சள் கராம்பு (Manjal Karambhu), பத்தலை கையாந்தகரை (Pattalai Kaiyanta Karai)
Teluguగంటగరగర (Guntagalagara), గంటగరా (Guntagara)
Malayalamകമ്മൽ പൂവ് (Kammal Poovu), മഞ്ഞ കാഞ്ഞാണി (Manja Kanjanny), സിംഗപ്പൂർ ডെയ്സി (Singapore Daisy)
Kannadaಗಾರ್ಗರಿ (Gārgari), ಕಲ್ಸರ್ಜಿ (Kalsarji)
Sanskritपीतभ्रंग (Pītabhranga), पीतभ्रङ्गारज (Pītabhrṅgarāja)
Bengaliসিঙ্গাপুর ডেইজি (Singapur Daiji), লাটাডেজি (Latadeji), ভৃঙ্গরাজ (Bhringaraj)
Frenchpatte canard, herbe soleil, wedelia
Russianведелия трёхлопастная (vedeliya tryokhlobastnaya), сфагнетикола трёхлопастная (sfagnetikola tryokhlobastnaya)
Spanishverde de pantano, clavel de pozo, wedelia
GermanHansenfuss, Singapore-Gerbera
ItalianWedelia, Margherita strisciante
Chinese三裂叶蟛蜞菊 (Sānlièyè péngqíjú)
Japaneseアメリカハマグルマ (Amerikahamaguruma)

Toxicity & Safety

StatusNon Toxic

Frequently Asked Questions

Q: Why is Wedelia Trilobata listed as one of the world's worst invasive species??
Despite its beautiful golden flowers, *Sphagneticola trilobata* spreads at an astonishing speed. Its fleshy trailing stems root instantly at every node touching the ground, and even tiny chopped stem fragments can grow into a new plant. It forms dense, thick monocultures that completely smother native grasses and wildflowers, reducing biodiversity and disrupting local ecosystems.
Q: How do I control or remove an overgrown Wedelia patch??
Controlling Wedelia is challenging because mowing or tilling simply chops up the stems and spreads them, worsening the infestation. For best results, hand-pull the vines, making sure to extract all underground roots and nodes. Alternatively, smother the patch with thick black silage tarps for 3 to 4 months, or carefully apply systemic herbicides containing Triclopyr.
Q: Can Wedelia be grown in hanging baskets or containers??
Yes! Because of its natural trailing habit, Wedelia makes a spectacular container or hanging basket plant. Its long stems cascade gracefully over the edges, creating a waterfall of lush green leaves and bright yellow star-shaped flowers. Growing it in containers is also an excellent way to enjoy its beauty while preventing it from spreading into your lawn.
Q: Is Wedelia Trilobata safe for dogs and cats??
Yes, *Sphagneticola trilobata* is non-toxic and pet-safe. It does not contain any toxic chemicals or harmful alkaloids. However, its stems and leaves are covered in rough hairs and contain a sticky sap that can cause mild, temporary skin irritation or itchiness in highly sensitive pets if they run through it.

What is Floral Formula?

A floral formula is a symbolic representation of a flower's structure using letters, numbers, and special symbols. It provides a concise way to describe the arrangement and number of floral parts.

Example Formula
% K(6) C1+2+(2) A(9) G2

This formula describes the flower's symmetry, sepals, petals, stamens, and carpels in a standardized format.

Formula Sequence

  • Bract: Br or Ebr
  • Bracteole: Brl or Ebrl
  • Symmetry: % (Radial) or ⊕ (Bilateral)
  • Sex: ♀ (Female), ♂ (Male), or ⚥ (Bisexual)
  • Calyx/Sepal: K<number> (Free or Fused)
  • Corolla/Petal: C<number> (Free or Fused)
  • Androecium: A<number> (Free or Fused)
  • Gynaecium: G<number> (Superior or Inferior Ovary)

Symbol Meanings

  • Numbers: Indicate quantity of parts
  • Parentheses (): Parts are fused together
  • Plus (+): Parts in different whorls
  • Underline: Superior ovary position
  • Overline: Inferior ovary position
  • ∞: Numerous parts (too many to count)

Understanding floral formulas helps botanists quickly identify and classify flowers based on their structural characteristics.