| 释义 |
- References
- External links
{{Speciesbox
|image =
|display_parents = 2
|genus = Nemacaulis
|parent_authority = Nutt.
|species = denudata
|authority = Nutt.
|synonyms = Eriogonum nemacaulis
|}}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. References External links - Jepson Manual Treatment
- USDA Plants Profile
- Flora of North America
{{Taxonbar|from1=Q15928125|from2=Q6990870}}{{Polygonaceae-stub}} 4 : Monotypic Polygonaceae genera|Flora of Arizona|Flora of California|Flora of Mexico |