Flora of North America species comparison

erect.

ascending to erect.

arching, 3–8 dm;

bulblets absent.

erect to arching back at tip, 2–8 dm;

bulblets absent.

1/8–1/4 length of leaf, densely scaly;

scales brown, diminishing in size distally.

1/4–1/3 length of leaf;

scales abruptly diminishing in size distally and falling off early but retaining conspicuous tuft of brown scales at base.

broadly lanceolate, 1-pinnate-pinnatifid, base slightly narrowed.

linear-lanceolate to linear, 1-pinnate, base not or slightly narrowed.

narrowly lanceolate, not overlapping, in 1 plane, 3–13 cm;

base oblique, proximal acroscopic segments enlarged;

margins incised to costa but segments sessile and adnate to costa for at least 2 mm, segments excised and decurrent, serrulate-spiny with teeth spreading to ascending;

apex acute with subapical and apical teeth same size;

microscales filiform, dense abaxially, sparse adaxially.

oblong, slenderly lanceolate, or falcate, usually overlapping, in 1 plane or twisted out of plane of blade, 2–4 cm;

base oblique, auricles well developed;

margins serrulate-spiny with teeth ascending;

apex cuspidate or apiculate with subapical teeth smaller than apical tooth;

microscales lanceolate to linear with straight or sharply angular projections, sparse, on abaxial surface only.

erose-dentate.

entire to sharply dentate.

color unknown.

dark brown.