Flora of North America species comparison

1–5+, erect, sometimes well branched proximally (internodes 0.3–6 cm, or plants acaulescent).

5–30 cm.

all or mostly basal; obscurely petiolate;

blades (often reddish or purplish), linear or narrowly lanceolate, (bases ± clasping) margins entire or remotely, pinnately lobed or dentate (white-villous-ciliate proximally, apices acuminate, faces glabrous or crisped white-villous throughout).

5–40 cm.

(erect from bud to mature fruit) inflated distally, ebracteate.

10–40 mm after flowering.

fusiform to ovoid, 3–15 mm diam.

flat or convex, pitted, glabrous, epaleate.

5–150;

corollas pale yellow, usually reddish abaxially.

reflexed in fruit, oftenreddish, outer 2–8, inner 3–18.

5–26 in 3–4 series, lanceolate, unequal (outer shorter, inner equal), margins scarious, apices long-tapering, acute, faces glabrous.

0.

borne singly (erect).

7–17 mm;

pappi: scales 5–15 mm, apices notched 1–2 mm, bristles delicate, 4–6 mm.

usually black or dark brown, rarely gray (outer sometimes paler), ± columnar to fusiform, often narrowed distally to relatively short beaks, ribs 10, minutely scabrous, hispidulous;

pappi falling, of 5, distinct, white, lustrous, lanceolate, aristate scales (apices notched, aristae smooth).

2-–10 mm, equaling or barely surpassing phyllaries at flowering.

= 9.

= 18.