Flora of North America species comparison

greenish, hirtellous to puberulent.

glabrous.

blades (ascending to spreading, lowermost sometimes deflexed) bright green (especially adaxially), 3- or 5-nerved, linear to lanceolate, 15–45 × 2–6 mm, usually not twisted or with a single twist, margins flat to ± undulate, eciliate or ciliolate, apices abruptly acute, abaxial faces usually hirsute to hirtellous, rarely glabrous, adaxial usually glabrous.

blades (spreading to deflexed) green to bluish or yellowish green, linear to lanceolate, 10–75 × 1–10 mm, usually twisted, flat to sulcate, margins often scabro-ciliate, apices acute, often apiculate, faces glabrous.

turbinate, 5–6.5 mm.

obconic to narrowly cylindric, 5.5–7 mm.

5;

corollas 5.5–6 mm, lobes 1–1.5 mm.

4–14;

corollas 5–6.5 mm, lobes 1–1.5 mm.

14–18 in 3–4 series, in spirals or vertical ranks, green subapical patches often lacking, midnerves evident distally or throughout, convex or ± keeled, oblong, unequal, margins scarious, eciliate or ciliolate, apices often rounded, apiculate, faces puberulent.

12–18 in (2–)3(–4) series, in weak vertical ranks, subapical green patches often present, midnerves obscure to evident distally or throughout, usually keeled, lanceolate to elliptic, unequal, margins scarious, eciliate or ciliolate, apices slightly thickened distally, faces glabrous.

in small, compact, cymiform arrays.

in congested cymiform arrays.

= 18, 36.

= 18, 27, 36, 45, 54.