Flora of North America species comparison

monomorphic, dying back in winter, 65–120 × 15–30 cm.

monomorphic, dying back in winter, 35–120 × 15–40 cm.

1/3 length of leaf, scaly at least at base;

scales scattered, dark brown or tan with dark central stripe.

1/3 length of leaf, scaly at base;

scales scattered, dark, glossy brown to nearly black, with pale border.

green, ovate-lanceolate, gradually tapering to tip, pinnate-pinnatifid, herbaceous, not glandular.

green, often white-mottled at tip, ovate, tapering abruptly at apex, pinnate-pinnatifid to 2-pinnate at base, herbaceous, not glandular.

± in plane of blade, lanceolate-ovate;

basal pinnae linear-oblong, much reduced, basal pinnules longer than adjacent pinnules, basal basiscopic pinnule and basal acroscopic pinnule equal;

pinnule margins crenately toothed.

parallel to plane of blade, ovate-lanceolate, broadest above base;

basal pinnae broadly oblong-lanceolate, slightly reduced, basal pinnule equal to adjacent pinnules, basal basiscopic pinnule and basal acroscopic pinnule equal;

pinnule margins crenulate or serrate.

lacking glands.

and axes lacking glands.

midway between midvein and margin of segments.

nearer midvein than margin.

= 164.

= 82.