Flora of North America species comparison

prostrate, procumbent, or decumbent, pilose.

ascending, with 1–2 pairs of leaves, sparsely villous, glabrate.

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.

mostly basal;

petiole 0.7–1.5 cm;

blade green, obovate to elliptic-oblong, 3.5–7.5 × 2–3 cm, apex obtuse to acute, very sparsely strigose to nearly glabrous.

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

bractlets with denticulate crests along keel.

heads white, subglobose to cylindric, 35–70 × 8–20 mm;

bractlets concave, not crested.

tube densely lanate;

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

tube densely lanose;

perianth lobes white, oblong or oblanceolate, 4.7 mm, indurate, apex obtuse, spinose-tipped.

1.2 mm.

not seen.

ovoid, 2.2 mm, apex acute.

not seen.