Euphorbia micromera

Euphorbia micromera is a species of flowering plant in the family Euphorbiaceae.[1][2] It is known by the common name Sonoran sandmat. It is native to the southwestern United States from California to Texas, and northern Mexico, where it grows in sandy soils in desert and other dry habitat. It is an annual herb forming a small mat of slender stems. The hairy to hairless leaves are oblong in shape and just a few millimeters long. The tiny inflorescence is a cyathium less than a millimeter wide. It lacks the appendages that many similar species have in their cyathia. It has only a central female flower and 2 to 5 male flowers surrounded by round red nectar glands. The fruit is a minute round capsule.

Euphorbia micromera
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Euphorbiaceae
Genus: Euphorbia
Species:
E. micromera
Binomial name
Euphorbia micromera
Synonyms[1]

Chamaesyce micromera (Boiss.) Wooton & Standl.
Chamaesyce pseudoserpyllifolia (Millsp.) Millsp.
Euphorbia podagrica I.M.Johnst.
Euphorbia pseudoserpyllifolia Millsp.
Euphorbia pseudoserpyllifolia f. typica J.T.Howell
Euphorbia pseudoserpyllifolia f. villosa J.T.Howell
Euphorbia setiloba var. nodulosa Jeps.

References
  1. "Euphorbia micromera Boiss". Plants of the World Online. The Trustees of the Royal Botanic Gardens, Kew. n.d. Retrieved September 4, 2020.
  2. "Euphorbia micromera Boiss. ex Engelm". World Flora Online. The World Flora Online Consortium. n.d. Retrieved September 4, 2020.


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