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Herbs, 5-70 cm, glabrous. Stems erect or ascending, branched from base or nearly so; branches straight or slightly arcuate (proximal ones sometimes almost prostrate). Leaves (especially proximal ones) mostly opposite; blade linear, usually more than 1.5 mm wide in herbarium specimens, fleshy, distinctly swollen or ovate at base, apex mucronulate, not spinose. Inflorescences distinctly interrupted, 1-flowered; bracts alternate or almost opposite, not imbricate, horizontally reflexed at maturity, swollen at base, abruptly narrowing into mucronulate nonspinose apex. Flowers: bracteoles distinct, not adnate to perianth segments; perianth segments wingless or with rudimental triangular tubercles at maturity, margins crenate or pectinate-ciliate apically, glabrous; fruiting perianth ca. 3-6(-7) mm diam. 2n = 18.
An annual herb. It grows 20-70 cm tall. It has a short taproot. The leaves are pointed but without a spiny tip. They are succulent and almost half round. They are 2-7 cm long by 2 mm wide. The flowers are small and without stalks. They are in the axils of leaves.
