Flora of North America species comparison

basal or nearly so;

petiole (0.5–)1–2.5(–3) cm;

blade oblanceolate, (0.3–)0.5–1.5(–2) × 0.2–0.4(–0.5) cm, thinly floccose to sparsely tomentose.

basal;

petiole 1–3 cm;

blade oblanceolate, 1–3 × 0.4–0.8 cm, thinly pubescent.

with involucres in small clusters 0.5–1 cm diam., greenish to reddish;

bracts 2, with laminar ones oblanceolate, (0.5–)0.8–1.5(–2) cm × (1–)2–4 mm, those at distal nodes becoming sessile, reduced and scalelike, linear-lanceolate, acicular, awns slightly curved, 0.5–1 mm.

with involucres in dense clusters 2–4 cm diam., greenish or reddish to purple;

bracts 2–3 at proximal node, usually leaflike, often with whorl of sessile bracts about midstem, elliptic, 0.5–1.5 cm × 2–6 mm, becoming gradually lanceolate to elliptic, 0.2–1 cm × 1.5–5 mm, at distal nodes scalelike, linear and aciculate, acerose, awns straight, 1–3 mm.

1, green, cylindric, 5-ribbed, 3–4.5 mm, finely corrugate, pubescent;

teeth 5, erect, unequal, with leaflike, narrowly lanceolate, 2–6 mm anterior tooth, others linear, 1–2 mm;

awn uncinate, 0.4–0.8(–1) mm.

3–10 or more, reddish to purplish, urceolate, slightly ventricose basally, 3.5–4 mm, without scarious or membranous margins, slightly corrugate, thinly pubescent with slender, curly hairs;

teeth erect to spreading, unequal, 1–2 mm;

awns uncinate, 0.5–1 mm with longer anterior one mostly 1 mm.

1, included to slightly exserted;

perianth yellow, cylindric, 1.5–2.5 mm, thinly pubescent abaxially;

tepals connate ca. 2/3 their length, monomorphic, oblong, acute, entire apically, mostly erect;

stamens 3 or 9, slightly exserted;

filaments distinct, 0.8–1 mm, glabrous;

anthers yellow, ovate, 0.2–0.3 mm.

exserted;

perianth bicolored with floral tube white to yellow and tepals red, maroon, or dark purple, cylindric, 4–5 mm, glabrous or with few scattered hairs along midrib ca. midlength;

tepals erect, connate 1/2 their length, dimorphic, obovate, those of outer whorl slightly longer than inner whorl, entire, rounded apically, those of inner whorl fimbriate and truncate or somewhat 2-lobed;

stamens 9, exserted;

filaments distinct, 4–5 mm, glabrous;

anthers pink to red or maroon, oblong, 0.9–1 mm.

brown, lenticular, 2.5–3 mm.

brown, globose-lenticular, 3–3.5 mm.

= 38, 40, (48).