Flora of North America species comparison

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

ascending, infrequently procumbent, unbranched to few branched, elongate, often whitish, viscid-puberulent to glandular-pubescent.

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 1–4.5 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 linear-lanceolate to oval-ovate, 7–25 × 2–12 mm, scarious, glandular-puberulent to short villous;

flowers 30–80.

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

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

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.