Flora of North America species comparison

prostrate to suberect;

trichomes conspicuous at nodes and in inflorescence;

branches to 30 cm.

erect or suberect, fleshy, succulent;

trichomes inconspicuous at nodes and in inflorescence;

branches 5–35 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 to hemispheric, 5–15 × 1–3(–5) mm, apex acute; involucrelike leaves (3–)5–8.

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.

9–15 mm diam.;

petals yellow, obovate to oval-obovate, 5–8 × 2–5 mm, apex rounded;

stamens 12–30;

stigmas 5–7.

ovoid, (3.5–)4–6.5 mm diam.

subglobose, 3.3–5.5 mm diam.

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

surface cells obscurely stellate with tubercles mostly abaxially.

brownish red, dark brown, or rarely black, orbiculate or elongate, flattened, 0.6–0.65 mm;

surface cells slightly raised, obscurely stellate, sometimes granular, tubercles absent.

= 18.

= 16.