Flora of North America species comparison

erect, green, slender and wandlike, striate-angled, glabrate proximally, hispidulous distally (near heads).

erect to ascending, slender, striate, glabrous, resinous.

present at flowering (reduced, sparse);

sessile;

blades (1-nerved) linear to linear-lanceolate, 5–17 × 1–2 mm (reduced distally to subulate bracts), margins entire, apices acute, faces glabrous (sometimes minutely papillose).

present at flowering;

sessile;

blades (1-nerved) 20–60 × 1–2(–5) mm, ± succulent, bases narrowly attenuate, margins mostly entire, apices acute, faces glabrous, not gland-dotted.

funnelform or campanulate;

staminate 3–5.2 mm, pistillate 4–6 mm.

campanulate;

staminate 3–4 mm, pistillate 3.5–5 mm.

8–18;

corollas 2–2.8 mm.

15–20;

corollas ca. 3 mm.

(8–)12–18(–29);

corollas 3.3–4.2 mm.

15–20;

corollas 2.5 mm.

lanceolate, 1–4 mm, margins scarious, medians green (hispid), apices acute to acuminate.

ovate to lanceolate, 1–4 mm, margins scarious, medians green, sometimes purplish, apices green to purplish, obtuse to acute.

(on racemiform lateral branches) in paniculiform arrays.

(in groups of 3–5 near branch tips) in broad paniculiform arrays (of 100+).

1.5–2.5 mm, 5-nerved, hispid;

pappi 4.5–7 mm.

1–2 mm, 10-nerved, glabrous;

pappi 6–8 mm.

= 18.