Flora of North America species comparison

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

ascending, infrequently procumbent, unbranched to few branched, elongate, often whitish, viscid-puberulent to 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 1–4.5 cm;

blade lanceolate to elliptic-oblong, 2.5–5 × 0.5–3 cm, margins entire to ± repand and undulate, adaxial surface glabrous, abaxial surface glabrous or puberulent.

peduncle longer than subtending petiole;

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

flowers 25–60.

peduncle longer than subtending petiole;

bracts ovate, 4–8 × 2–5 mm, papery, apex acute to acuminate, glandular-pubescent, sometimes villous basally;

flowers 15–30.

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

tube greenish, 8–16 mm, limb pale pink to light magenta, 5–7 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.

turbinate, 4–17 × 3–5 mm, scarious, apex broadly obtuse and beaked;

wings 5, thin walled, truncate and conspicuously dilated distally, dilations as wide as long and flattened perpendicular to plane of lamina, cavities extending throughout.