Flora of North America species comparison

basal;

petiole 0.5–3(–5) cm;

blade elliptic to obovate or spatulate, 1–3(–3.5) × 0.2–1(–2.5) cm, thinly pubescent adaxially, sparsely tomentose abaxially.

basal;

petiole 0.5–2(–3) cm;

blade oblanceolate, (0.5–)1–3(–4) × 0.1–0.7(–1.2) cm, thinly pubescent.

open, reddish;

bracts 3 at proximal node, otherwise 2, sessile, scalelike, linear, acicular, often acerose, 0.1–0.5 cm × 0.5–1 mm, awns straight, 1–2 mm.

with involucres in small, open clusters 0.3–1 cm diam., greenish yellow to green or reddish green;

bracts 2, sessile, leaflike and similar to proximal leaf blades only reduced, linear-oblanceolate to elliptic, 0.3–1(–1.5) cm × 1.5–5(–8) mm, rapidly reduced and scalelike at distal nodes, linear, acicular, often acerose, 0.1–0.5 cm × (0.3–)0.5–3 mm, awns straight, 0.2–1 mm.

1(–5+), reddish or greenish, cylindric, not ventricose, 4–6(–7) mm, finely corrugate, with thin hyaline margins between teeth, sparsely to densely pubescent;

teeth divergent, unequal, 3 longer ones 1–3 mm, alternating with 3 shorter ones 0.3–1 mm;

awns straight, unequal, 3 longer ones 1–2.5(–3) mm, shorter one (0.3–)0.5–1.5 mm.

3–10, rarely more, greenish yellow to reddish green, cylindric or narrowly to broadly campanulate, not ventricose,1.5–3 mm, faintly corrugate, without scarious or membranous margins, thinly pubescent with spreading hairs, longest hairs on ribs and at base;

teeth spreading, equal, 1–2.5 mm, or divergent, thickened basally, unequal, 1–2 mm or 2.5–5 mm with hyaline margins between teeth;

awns uncinate, 0.2–0.5 mm.

exserted;

perianth bicolored, with floral tube yellow to yellowish white and tepals white to rose, becoming dark rose to red with age, cylindric, 6–9(–10) mm, glabrous abaxially except for few to several scattered hairs ca. midlength along midribs;

tepals connate 1/2 their length, monomorphic, oblong, fimbriate to laciniate apically;

stamens 9, included;

filaments distinct, 3–8 mm, glabrous;

anthers pink to red, oblong, 0.5–0.7 mm.

exserted;

perianth yellow or sometimes white, cylindric, (1.7–)2–3 mm, pubescent;

tepals connate ca. 2/3 their length, essentially monomorphic, narrowly oblong to narrowly obovate, occasionally with outer lobes slightly broader and longer than inner ones, entire apically;

stamens 9, exserted;

filaments connate basally into 0.2–1 mm tube, (0.3–)0.5–2.5 mm, pilose-ciliate;

anthers cream to pale yellow, oblong, (0.2–)0.5–0.7 mm.

brown, lenticular, 3–4 mm.

brown, lenticular, 1.5–2.5 mm.

= (38), 40, (42, 44, 46).