Flora of North America species comparison

mostly simple, terete, 5–25 dm × 0.5–2 cm.

suberect or later decumbent and rooting, branched, terete, rough with leaf scars, to 8 dm × 1 cm.

opposite, evenly spaced, simple, largest subpeltate;

petiole subterete, 1–5 cm;

blade purple-blotched abaxially, triangular to lanceolate, 5–25 × 3–12 cm, margins serrate, apex acute, surfaces glaucous;

bulbils borne in notches of leaf margins, spurs spoon-shaped.

opposite, evenly spaced, simple;

petiole terete, (often turned obliquely), 1–6 mm;

blade lavender-gray, obovate, 2–10 × 1.5–8 cm, margins crenate throughout or apically, apex obtuse, surfaces glaucous;

bulbils borne mostly in notches of leaf margins on damaged or fallen leaves.

5–15 mm.

5–15 mm.

calyx green or purplish, not inflated, 6–10 mm, tube 3–4 mm, lobes triangular, 3–7 mm, equaling or longer than tube, apex acute;

corolla pink or lavender, 20–30 mm, not contracted basally, lobes obovate, 6–12 mm, apex rounded, apiculate.

calyx violet-flecked, inflated, 10–18 mm, tube 6–11 mm, lobes deltate, 4–7 mm, shorter than tube, apex acute;

corolla orange-red, 18–25 mm, contracted basally, lobes obovate, 5–8 mm, apex obtuse to rounded.

lax, paniculate, 1.5–3 dm diam.;

branches to 15 cm.

open, corymbiform, to 1.5 dm diam.;

branches to 5 cm.

= 38.

= 34.