Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.
1 Leaves opposite or alternate, sessile or short-petiolate, flattened in cross-section (though often succulent-thickened); fruit either a dry, indehiscent nut or a capsule.
..2 Leaves linear, lanceolate, or oblanceolate, the blade > 3× as long as wide; [subfamily Sesuvioideae]