Euphorbia cordifolia Elliott

Roundleaf Spurge; Heartleaf Sandmat; Heartleaf Broomspurge

Herb

Perennial

Vascular

Heartleaf Sandmat is a native annual herb in the Spurge family (Euphorbiaceae). It can be found in the southern half of the state. Heartleaf Sandmat occurs in xeric pine woods, in scrub-oak sandhills, and on sandbars along streams and rivers. It is an annual with a taproot. The stems are prostrate, green or reddish in color, and glabrous. The leaves are opposite, petiolate, ovate to oblong in outline, glabrous, with entire margins and a cordate to rounded base. The stipules are white and distinctively long filiform. All parts of the plant contain a milky white latex. Flowers are produced in solitary axillary cyathia (an inflorescence consisting of a cup-shaped involucre enclosing several greatly reduced male flowers and a single female flower). Each cyathia has 4 pinkish glands with white appendages. The fruit is an ovoid capsule. The seed are ovoid, 3-4 angled, with gray with dark brown mottling.—A. Diamond.

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Native

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