Flora of North America species comparison

prostrate, procumbent, or decumbent, pilose.

erect, pilose.

sessile or petiolate;

petiole to 0.6 cm;

blade green, obovate to oblong, 1.5–7.5 × 0.5–2.5 cm, apex rounded or obtuse, pilose-sericeous.

sessile or petiolate;

petiole to 2 cm;

blade green, oblanceolate to oblong-linear, 3–10 × 0.3–1 cm, apex acute to acuminate, mucronate, pilose.

heads white tinged with pink or red, globose to short-cylindric, 9–13 mm diam.;

bractlets with denticulate crests along keel.

heads stramineous, globose to short-cylindric, 20–28 mm diam.;

bractlets crested along keel.

tube densely lanate;

perianth lobes white, narrowly oblong, 4–5 mm, apex attenuate.

tube densely lanate;

perianth lobes stramineous, linear-lanceolate, 5.3 mm, hyaline, apex acuminate.

1.2 mm.

1.4 mm.

ovoid, 2.2 mm, apex acute.

ovoid, 2.2 mm, apex acute.