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 green, 1-nerved, filiform, terete, 10–30 × 0.5–1 mm, not twisted, margins obscurely involute, not noticeably ciliate, apices acicular, faces hairy.

turbinate, 5–6.5 mm.

± turbinate to obconic, 5–6 mm.

5;

corollas 5.5–6 mm, lobes 1–1.5 mm.

3–5;

corollas 3.5–5 mm, lobes 1–1.2 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.

14–24 in 4–5 series, in 4–5 weak vertical ranks, (spreading at maturity) green to brown subapical patch, midnerves glandular-thickened distally, convex or weakly keeled, broadly linear to linear-oblong, unequal, margins scarious, eciliate or distally erose-ciliolate, apices sharply acute or apiculate, flat, faces glabrous.

in small, compact, cymiform arrays.

in rounded cymiform arrays.

= 18, 36.

= 18.