Flora of North America species comparison

simple, terete, 5–20 dm × 0.5–1 cm.

mostly simple, round, to 7 dm × 1.5 cm.

mostly in 3s, opposite or whorled, evenly spaced, simple;

petiole and blade indistinguishable, reddish green to gray-green with reddish brown spots, narrowly oblong, subcylindric, grooved adaxially, 3–15 cm × 3–6 mm, margins entire except for 3–9 conic teeth at apex, apex blunt, surfaces not glaucous;

bulbils borne between teeth, spurs spoon-shaped.

subrosulate, crowded near base, simple;

petiole indefinite, broad, with clasping base;

blade green or gray-green, sometimes with maroon or dark green blotches, lanceolate, 15–50 × 5–10 cm, margins sinuate to coarsely crenate, apex acute, surfaces mealy, glaucous or not;

bulbils borne in notches of leaf margins, rooting while still attached.

5–30 mm.

5–15 mm.

calyx pale green, not inflated, 8–16 mm, tube 3–6 mm, lobes triangular, 5–10 mm, longer than tube, apex acuminate;

corolla orange to scarlet, 25–40 mm, not contracted basally, lobes obovate, 6–12 mm, apex rounded or apiculate.

calyx pale green, inflated, 18–25 mm, tube 13–15 mm, lobes deltate, contracted basally, 5–10 mm, shorter than tube, apex acute;

corolla yellow-green marked with violet-red, 40–50 mm, contracted basally, (sparsely glandular-puberulent), lobes triangular-ovate, 8–11 mm, apex acuminate.

mostly dense, corymbiform, 0.5–2 dm diam.;

branches to 3 cm.

open, corymbiform, 2 dm diam.;

branches to 8 cm.

= 68.

= 34.