Flora of North America species comparison

greenish, hirtellous to puberulent.

glabrous (puberulous).

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 ascending to spreading, green, 1-nerved, narrowly lanceolate, (10–)14–20 × 1–2 mm, flat, not twisted, margins obscurely involute, entire, not noticeably ciliate, apices cuspidate, faces glabrous.

turbinate, 5–6.5 mm.

cylindric to campanulate, (4–)5–5.6 mm.

5;

corollas 5.5–6 mm, lobes 1–1.5 mm.

3–4(–5);

corollas 3.5–4.5 mm, lobes 1.4–1.7 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.

14–18 in 3–4 series, in spirals or weak vertical ranks, stramineous, green to brown subapical patches obscure midnerves evident distally or obscure, ± convex or weakly keeled, obovate to oblong or spatulate, unequal, margins scarious, eciliate or distally obscurely ciliolate, faces glabrous.

in small, compact, cymiform arrays.

in broad, rounded, corymbiform arrays.

= 18, 36.

= 18.