Plant Wiki

The open plant encyclopedia

Know any plant.
Grow it well.

Snap a photo or search by any name to see how to care for it, where it comes from, whether it's safe, and a 3D model you can turn.

  • 13,000+plants with full pages
  • 365,000+plant species worldwide
  • 220+countries covered

Common in

See all

The plants people record most in your country, and ones that grow there wild.

What do you want to do?

Popular plants

Browse all plants

See them in 3D

All plants in 3D

Browse plants

Filter by what you want to do, shape, origin, country, care and safety.

Plant Wiki › Browse plants

Yellow hatpins

Syngonanthus flavidulus

Also called Bantam Buttons

Yellow hatpins
Photo: Jason Hollinger, CC BY 2.0

Yellow hatpins is a small perennial pipewort from the southeastern United States, growing in wet flatwoods, prairies and pond margins. It is a wetland species that needs consistently moist to wet conditions and is rarely grown as a garden or houseplant.

Family
Eriocaulaceae (Eriocaul family)
Grows as
Perennial
Light
Full sun
Water
Keep the roots constantly moist or standing in shallow water, as it grows at pond edges.
Soil
Wet, acidic, sandy or peaty soil, or shallow water.
Temperature
Suited to subtropical conditions; protect from hard frost.
How easy
Hard
Native range
SE. U.S.A.
Climate
subtropical

About

Syngonanthus flavidulus, common name yellow hatpins, is a flowering plant. It grows in the southeastern United States including Alabama, Florida, Georgia, North Carolina and South Carolina. It is in the Syngonanthus genus and pipewort family Eriocaulaceae. A perennial, it grows to about a foot in height. It grows in flatwoods, prairies, and pond margins. It has very small flowers that bloom February to July and appear as small white buttons and it has shiny leaves. Eugen Otto Wilhelm Ruhland reclassified it from Eriocaulon to Syngonanthus in 1903.

Other Syngonanthus plants

Syngonanthus chrysanthus · Syngonanthus nitens · Syngonanthus peruvianus · Hatpins

Text excerpted from the Wikipedia article Syngonanthus flavidulus by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

Credits & terms

Identify a plant

Point at a leaf or flower and snap. One plant in frame works best.

Your photo
Starting camera…