Flora of North America species comparison

procumbent to semierect, slightly to moderately branched, elongate, sometimes reddish at base and nodes, glandular-pubescent, viscid.

petiole 0.5–8 cm;

blade ovate to triangular or lanceolate, 3–12 × 1–8 cm, margins entire to subsinuate and slightly undulate, adaxial surface glandular-pubescent, abaxial surface more densely and longer pubescent, or sometimes villous.

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 linear-lanceolate to oval-ovate, 7–25 × 2–12 mm, scarious, glandular-puberulent to short villous;

flowers 30–80.

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

flowers 15–25.

tube greenish to reddish purple, 10–25 mm, limb white, (2–)6–10 mm diam.

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

winged or not, fusiform and appearing deeply grooved when wingless, when wings not distorted, fruit ± cordate in profile, tapered at base, with prominent beak in broad notch at apex, 5–12 × 2.5–7 mm, indurate, rugose veined or, if wings distorted, fruit ± rhombic in profile and tapered at both ends, or obdeltate and truncate at apex, with prominent beak;

wings 4–5, thick, narrow, not dilated at apex, cavities extending throughout;

peripheral fruits often distorted, S-shaped in lateral view.

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

wings 5, without dilations, without cavities.