Flora of North America species comparison

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

prostrate, much branched in large plants, forming loose mats, elongate, glandular-pubescent or glabrous.

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 1–6 cm;

blade ovate, elliptic, or rhombic, 1.5–6.8 × 0.8–4.7 cm, margins entire to ± repand and undulate, surfaces glandular-puberulent to glandular-villous, usually ± glaucous.

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 lanceolate to ovate, 5–7 × 3–5 mm, papery, glandular-puberulent to viscid-villous;

flowers 8–27.

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

tube magenta to greenish, 6.5–18 mm, limb magenta, 6–16 mm diam., throat surrounded by white to yellowish white eyespot.

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.

± obdeltate in profile, 6–12 × 6–16(–24) mm, indurate, smooth, not rugose veined, apex beaklike;

wings 5, not folded, poorly to very well developed, from slightly shorter than beaklike apex of body to prolonged beyond beak, thin, without cavities.