A tall species, 2 to 3 feet high, with leaves generally whorled around the upper part of the stem. The tipper leaves are margined with white, giving the plant a showy appearance. Flowers grouped in umbels, surrounded by white involucres. Umbels are many times forked, each fork again forked. No stipules. July to August.

Erect but delicate and slender-looking. Sandy, dry soil along the coast southward to Florida, westward to Texas. Ascends to 4,000 feet in North Carolina.