Wedelia Trilobata

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.