Flora of North America species comparison

3–20 cm (caudices branching or rhizomes stout).

5–15(–20) cm (stems woolly).

none.

4–10 cm (arched).

3-nerved, narrowly oblanceolate, 10–60(–100) × 3–12 mm, tips acute, faces gray-woolly or tomentose.

1–3-nerved, narrowly to broadly spatulate, or narrowly rhombic-obovate, 20–45 × 3–15 mm, tips mucronate, faces densely white-woolly.

linear, 5–40 mm, mid and distal flagged.

linear, (2–)5–40 mm, not flagged.

staminate 4.5–6 mm; pistillate 5–8 mm.

staminate 3–5 mm; pistillate 4.5–6(–7) mm.

staminate 3–4.5 mm; pistillate 2.5–4 mm.

staminate 2.5–4 mm; pistillate 3.5–5 mm.

(proximally light brown, dark brown, or olivaceous) distally whitish or light brown.

distally whitish (mostly staminate) or grayish stramineous to light brown.

3–9 in corymbiform arrays.

(4–)7–25, in racemiform to paniculiform or corymbiform arrays.

1–1.6 mm, glabrous;

pappi: staminate 4–5 mm; pistillate 3.5–5 mm.

1–1.8 mm, glabrous;

pappi: staminate 3–4.5 mm; pistillate 4–6 mm.

= 28 (under A. neodioica).

= 28.