Nemacaulis
Encyclopedia
Nemacaulis is a monotypic plant genus in the buckwheat family
containing the single species Nemacaulis denudata, which is known by the common names woollyheads and cottonheads. This plant is a somewhat nondescript delicate annual herb with thin, spindly, naked stems and woolly white flowerheads. It can be found in sandy habitats in California, Arizona, and northern Mexico.
Polygonaceae
Polygonaceae is a family of flowering plants known informally as the "knotweed family" or "smartweed family"— "buckwheat family" in the United States. The name is based on the genus Polygonum and was first used by Antoine Laurent de Jussieu in 1789 in his book, Genera Plantarum. The name refers...
containing the single species Nemacaulis denudata, which is known by the common names woollyheads and cottonheads. This plant is a somewhat nondescript delicate annual herb with thin, spindly, naked stems and woolly white flowerheads. It can be found in sandy habitats in California, Arizona, and northern Mexico.