Habit and arrangement of inflorescence as in E. prostrata, Ait. Stems 3–7 in. long, branching, glabrous. Leaves opposite, shortly petiolate, 1 1/2–2 1/2 lin. long, 1–2 1/3 lin. broad, suborbicular, slightly notched at the obtusely rounded apex, unequally subcordate at the base, entire, glabrous on both sides. Stipules 2 at each node, each pair being united into a deltoid-ovate or deltoid-oblong body, irregularly cut or toothed at the top. Involucres shortly pedunculate, 2/5 lin. long, campanulate, with 4 glands and 5 lobes, glabrous; glands minute, transverse, with a small transverse petal-like white appendage, rather broader than the width of the gland. Capsule not quite 1 lin. in diam., rather sharply 3-angled, glabrous. Seeds 1/2 lin. long, 4-angled, with smooth (not wrinkled) sides, reddish, somewhat glaucous on the sides but not on the angles.
