Flora of North America species comparison

ascending to erect.

ascending.

erect to arching back at tip, 2–8 dm;

bulblets absent.

erect, 1–2.5 dm;

bulblets absent.

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.

1/10–1/5 length of leaf, sparsely scaly;

scales light brown, gradually diminishing in size distally.

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

linear, 1-pinnate-pinnatifid, base 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.

rhombic-ovate to short-falcate, proximal pinnae ± triangular;

pinnae overlapping, twisted somewhat out of plane of blade, 0.5–1.5 cm;

base oblique, acroscopic auricle well developed;

margins shallowly incised to merely dentate or serrulate, teeth spreading and spiny at tip;

apex acute with subapical and apical teeth same size;

microscales lanceolate with few projections, confined to costa, on abaxial surface only.

entire to sharply dentate.

entire.

dark brown.

dark brown.

= 164.