Flora of North America species comparison

decumbent to ascending, much branched, elongate, glabrous or glandular-pubescent.

petiole 1–6 cm;

blade ovate to lance-elliptic, 1–6 × 0.5–4 cm, margins entire to sinuate and ± undulate, surfaces glabrous or glandular-pubescent.

petiole 1–5 cm;

blade elliptic to lanceolate, shortly ovate, or oblong-ovate, (0.4–)0.5–2.5 × (0.2–)0.4–1.2 cm, less than 3 times as long as wide, margins entire or ± repand and undulate, surfaces glabrous or glandular-pubescent.

peduncle longer than subtending petiole;

bracts lanceolate to obovate, 5–12 × 1–5 mm, papery, glabrate to glandular-pubescent;

flowers 25–60.

bracts lanceolate to ovate, 4–9 × 2–7 mm, scarious, glandular-puberulent, often minutely so;

flowers 15–25.

tube pale rose proximally to greenish distally, 15–25 mm, limb white, 7–12 mm diam.

tube pale pink, 8–30 mm, limb white to pink, 6–10 mm diam.

winged, broadly obdeltate or cordate in profile, 6–10 × 4–10 mm, thin, usually coriaceous, rarely indurate, base attenuate, apex prominently beaked;

wings (2–)5 (when 2, folded to form single deep groove), without dilations, broad, thin, without cavities.

obovate to obcordate in profile, 6–10 × 5–7 mm, scarious, apex low and broadly conic;

wings 5, without dilations, without cavities.