Flora of North America species comparison

prostrate or spreading-ascending to erect, often reddish, terete, 0.7–2(–4) dm, scurfy.

erect or spreading to prostrate, 0.5–2 dm;

branches almost horizontal, fragile, white scurfy, appearing almost pubescent, becoming sparingly villous in inflorescence.

numerous, imbricate, all or mainly alternate, sessile;

blade ovate or broadly so, (1–)4–10 mm, base rounded to subcordate, margin entire, apex acute.

numerous, opposite or alternate, distal ones imbricate, sessile;

blade gray to white, lanceolate to ovate, (2–)4–10 × 3–5 mm, rigid, base rounded, margin entire, densely scurfy.

solitary or few in axils, staminate 4-merous.

mostly in distal axils pistillate in proximal axils.

reddish brown, 0.8–0.9 mm.

dark brown or almost black, 1.2 mm.

bracteoles deciduous, rounded-deltoid, compressed, 2–3 mm and as broad or broader, somewhat hastately lobed at base and denticulate or crenulate, acute or acuminate at apex, sides smooth.

bracteoles deciduous, ovate or rhombic, slightly compressed, 2.5–3.5 mm and as broad, united 1/2 of length, often subhastately lobed, entire or with few teeth on each side, faces smooth or tuberculate.