Flora of North America species comparison

simple or sparingly branched (very slender), strigose and sparsely spreading-hairy.

mostly or all opposite, 1–5 cm (little reduced distally), strigillose and ± long-hairy (at least proximally).

2–4;

corollas white to reddish, tubes ca. 2 mm, laminae 6–9 mm (central lobes ± equaling or narrower than laterals, elliptic, nearly symmetric, widest near middles, sinuses equaling laminae).

4–20;

corollas white to pink, ca. 6 mm.

(often reddish) 4–7 mm, abaxial faces sometimes minutely scabrous, often sparsely bristly, tack-glands usually 0, sometimes 1+.

in congested, axillary glomerules (appearing whorled).

ca. 3 mm, ± appressed-hairy;

pappi of 8–10 usually lanceolate, acuminate scales ca. 2 mm (often 2–4 shorter, blunt).

ca. 3 mm, usually smooth, glabrous.

bracts lanceolate (flat, stiff, sometimes ± cylindric near apices), 4–10 mm (hispidulous, ± bristly and/or pectinate-fimbriate, especially proximally), apices ± rounded, tack-glands (0–)1–5+.

4–7 mm.

= 14.