Flora of North America species comparison

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

7–16 cm (bases somewhat woody).

none.

7–16 cm (usually erect, slightly woody).

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

1-nerved, narrowly spatulate to cuneate, 10–17 × 2–5.4 mm, tips mucronate, faces gray-tomentose.

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

linear, 8–18 mm, not flagged (apices acute).

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

staminate 3–6 mm; pistillate 4–6.5 mm.

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

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

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

distally whitish, yellowish, or pale brownish (often streaked with pink or rose).

3–9 in corymbiform arrays.

3–8 in corymbiform arrays.

1–1.6 mm, glabrous;

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

0.5–1.2 mm, glabrous;

pappi: staminate 3–4.5 mm; pistillate 3–5 mm.

= 28 (under A. neodioica).

= 28, 56.