Flora of North America species comparison

ascending to erect.

unknown.

erect to arching back at tip, 2–8 dm;

bulblets absent.

(only distal portion known) with bulblets present.

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.

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

lanceolate, 2-pinnate, base probably narrowed.

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.

narrowly lanceolate, ca. 2–7 cm, base truncate to oblique, acroscopic proximal pinnule enlarged, apex obtuse.

entire to sharply dentate.

entire.

dark brown.

short-stalked, ovate-rhombic, acroscopic auricle ± well developed, margins finely spiny-dentate;

apex acuminate;

microscales filiform, lacking projections, dense abaxially, sparse adaxially.