Flora of North America species comparison

not whitish pruinose, slender to moderately stout, to 6 mm diam., intensely sweet, licorice-flavored;

scales concolored, brown or slightly darker near point of attachment, lanceolate to lanceolate-ovate, symmetric, margins entire.

not whitish pruinose, slender to stout, 5–15 mm diam., taste unknown;

scales brown, ovate-acuminate, symmetric, somewhat to strongly clathrate, margins somewhat lighter, entire.

to 75 cm.

to 90 cm.

usually slender, 0.5–2 mm diam.

slender to stout, to 7 mm diam.

lanceolate-ovate to oblong, pinnatifid, widest near middle or just below, to 16 cm wide, herbaceous, rarely slightly leathery;

rachis sparsely scaly to glabrescent abaxially, puberulent adaxially;

scales linear, usually less than 3 cells wide.

broadly ovate, 1-pinnate at base, widest at or near base, to 60 cm wide, papery to almost leathery;

rachis glabrous abaxially and adaxially.

linear to oblong, less than 12 mm wide;

margins serrate;

apex acute to attenuate;

midrib puberulent adaxially.

(pinnae) linear to oblong, apex acuminate;

proximal segments stalked to nearly sessile, distal ones slightly narrowed but broadly adnate at base, less than 35 mm wide;

margins entire or slightly wavy;

apex acute;

midrib glabrous adaxially.

midway between margin and midrib or slightly closer to midrib, usually less than 3 mm diam., circular to oval when immature.

in 1–3 parallel rows on both sides of costa, 0.5–3 mm diam., circular when immature.

less than 58 µm, verrucose, with surface projections less than 3 µm. 2n = 74.

less than 58 µm, verrucose, with surface projections less than 3 µm. 2n = 148.

free.

anastomosing with a regular series of 2–5 rows of areoles on both sides of costae.

absent.

absent.