Gayophytum diffusum

Gayophytum diffusum is a species of flowering plant in the evening primrose family known by the common name spreading groundsmoke. It is native to western North America where it is a common member of many different habitats. This is a spindly, branching annual herb reaching a maximum height of about half a meter. Its thin stems have sparse narrow leaves a few centimeters long. The occasional flowers are petite and usually white in color. The fruit is a cylindrical, knobby capsule up to 1.5 centimeters long.

Gayophytum diffusum
Conservation status
Secure  (NatureServe)[1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Myrtales
Family:	Onagraceae
Genus:	Gayophytum
Species:	G. diffusum
Binomial name
Gayophytum diffusum Torr. & A.Gray
Subspecies[2]
G. d. subsp. diffusum G. d. subsp. parviflorum
Synonyms[2][3][4]
List Gayophytum diffusum var. typicum Munz Gayophytum intermedium Rydb. Gayophytum lasiospermum Greene Oenothera albescens S.Watson Oenothera diffusa Nutt. Oenothera gayophytum f. diffusa (Torr. & A.Gray) H.Lév. Oenothera purpurea Benth.