Flora of North America species comparison

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

4–25 cm.

none.

2.5–18 cm.

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

1-nerved, narrowly spatulate to cuneate-oblanceolate, 15–65 × 6–18 mm, tips mucronate, faces abaxially tomentose, adaxially gray-pubescent (green-glabrescent with age).

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

linear, 1.5–25 mm, distal flagged.

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

staminate 4–7 mm; pistillate 6–10 mm.

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

staminate 2.7–5 mm; pistillate 4.5–6.5(–7) mm.

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

distally white.

3–9 in corymbiform arrays.

(1–)2–8 in corymbiform to spiciform or racemiform arrays.

1–1.6 mm, glabrous;

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

0.9–1.4 mm, minutely papillate;

pappi: staminate 3.5–6.5 mm; pistillate 6–8.5(–9.5) mm.

= 28 (under A. neodioica).

= 28.