Head Sand Mat

Euphorbia capitellata
Chamaesyce capitellata

Head Sand Mat, Chamaesyce capitellata, Photo by Michael Plagens

On a rocky slope near Queen Creek, Pinal Co., Arizona. March 2017.

PERENNIAL: Although a small plant, it has a woody base from which the herbaceous stems regrow year after year. Stems may spread out up to 30 cm.

LEAVES: The leaves are opposite on the stems and the tips are pointed.

RANGE: Upper Sonoran Scrub on rocky slopes from central Arizona south into Sonora. Also New Mexico and western Texas.

FLOWERS: The small showy flower heads are grouped into larger showy heads.

UNARMED: No thorns, but the milky sap can be a skin or eye irritant.

FRUIT: Very small capsules, ca. 2.5 mm, are three-parted and each contains usually three seeds.

Euphorbiaceae -- Spurge Family

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More Information:

Sonoran Desert Field Guide
Sonoran Desert Places
Sonoran Desert Naturalist Home Page


Copyright Michael J. Plagens, page created 15 Mar. 2017.