Flora of North America species comparison

prostrate to suberect;

trichomes conspicuous at nodes and in inflorescence;

branches to 30 cm.

prostrate to suberect, somewhat woody toward base;

trichomes sparse at nodes, sparse to moderate in inflorescence;

branches to 25 cm.

blades linear to lanceolate, terete to hemispheric, 5–30 × 1–5 mm, apex acute or subacute; involucrelike leaves 8–9(–14).

blades linear to lanceolate, terete, 6–14 × 0.5–3 mm, apex obtuse; involucrelike leaves 5–7.

25–55 mm diam.;

petals pink, red, purple, yellow, bronze, or white, obovate, 15–25 × 15–20 mm;

stamens 40 or more;

stigmas 5–8.

20–25 mm diam.;

petals connate basally, purple-red, narrowly obovate-cuneate, 10–12 × 6–9 mm, apex deeply 2-lobed;

stamens 40 or more;

stigmas 4–6(–7).

ovoid, (3.5–)4–6.5 mm diam.

subglobose, 2.5–5 mm diam.

steely gray, often iridescent, orbiculate or elongate, flattened, 0.75–1 mm diam.;

surface cells obscurely stellate with tubercles mostly abaxially.

gray, 0.7–0.8 mm diam.;

surface cells mostly stellate, tuberculate.

= 18.

= 18.