Euphorbia ocellata

Euphorbia ocellata
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Malpighiales
Family:	Euphorbiaceae
Genus:	Euphorbia
Species:	E. ocellata
Binomial name
	Euphorbia ocellata; Durand & Hilg.
Synonyms
	Chamaesyce ocellata

Euphorbia ocellata is a species of Euphorbia known by the common name Contura Creek sandmat. It is native to the southwestern United States where it grows in many types of habitats. This is a small annual herb with pairs of oblong to lance-shaped leaves, each leaf up to about 1.5 centimeters long. The inflorescence is a cyathium only 2 millimeters wide. It consists of petal-like appendages surrounding the actual flowers, each with a round nectar gland at its base. The appendages are sometimes absent. The flowers include one female flower ringed by up to 60 male flowers. The fruit is a lobed, spherical capsule less than 3 millimeters wide.

There are three subspecies. One, the Stony Creek spurge or Rattan's sandmat (ssp. rattanii), is endemic to the northern Sacramento Valley of California.

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