Flora of North America species comparison

prostrate or decumbent, 1–30 cm, freely rooting at nodes, forming mats.

spreading, freely branched, 5–20 cm.

opposite, sessile;

blade oblanceolate to rhombic, 2–20 × 0.5–10 mm.

alternate, petiolate, clasping leaf sheaths absent;

blade lanceolate to broadly ovate, more often rhombic to suborbiculate, 20–70 × 10–40 mm.

leafy.

leafy.

1–8, slightly bilateral;

sepals 1–1.5 mm;

petals 5, connate proximally, white, unequal, 1–2 mm;

stamens 3, anther pink or yellow.

2–8;

sepals 1.8–3.5 mm;

petals 5, pink or white, 3–5 mm;

stamens 5, anther white to yellow.

0.7–1.2 mm, tuberculate;

elaiosome present.

1–1.5 mm, tuberculate;

elaiosome present.

= 20, 40.

= 16.