Flora of North America species comparison

greenish, hirtellous to puberulent.

(grayish green) densely puberulent.

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 pale grayish green, usually 1-nerved, sometimes 3-nerved proximally, narrowly linear, 10–40 × 1–2 mm, often twisted, canaliculate, margins flat or involute, puberulent, apices acute, faces densely puberulent.

turbinate, 5–6.5 mm.

turbinate, 5–7 mm.

5;

corollas 5.5–6 mm, lobes 1–1.5 mm.

mostly 5;

corollas 5–6 mm, lobes 0.7–1.2 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.

14–16 in 3–4 series, in weakly aligned vertical ranks, midveins obscure to evident distally, ± keeled, oblong, unequal, margins scarious, entire to ciliolate, subapical green patch sometimes present, apices obtuse or outer barely acute, faces puberulent.

in small, compact, cymiform arrays.

in small, compact, cymiform arrays.

= 18, 36.