Flora of North America species comparison

basal;

petiole 0.3–1(–1.5) cm;

blade oblanceolate, (0.5–)1–3(–4) × (0.2–)0.4–1(–1.2) cm, thinly pubescent.

basal;

petiole 0.5–2(–3) cm;

blade oblanceolate, 0.5–2.5 × 0.3–1 cm, thinly pubescent adaxially, soft-hirsute abaxially.

with involucres in open clusters 2–6 cm diam., greenish or reddish;

bracts 2–3 at proximal node, usually leaflike, often with whorl of sessile bracts about midstem, oblanceolate to elliptic, 0.5–1.5 cm × 1–4 mm, gradually becoming reduced, linear-lanceolate, 0.4–1.2(–1.5) cm × 1.5–5 mm, at distal nodes scalelike, linear and aciculate, acerose, awns straight, 1–3 mm.

with involucres in open clusters 2–4(–6) cm diam., greenish or reddish;

bracts 2–3 at proximal node, usually leaflike, without whorl of sessile bracts about midstem, elliptic, 0.5–1.5 cm × 2–6(–8) mm, abruptly reduced above proximal node, becoming scalelike, linear, aciculate, acerose, 0.2–1 cm × 1–3 mm, awns straight, 1–2 mm.

3–10+, greenish or reddish, urceolate, strongly ventricose basally, 4–4.5 mm, without scarious or membranous margins, corrugate, thinly pubescent;

teeth spreading, unequal, 1–3 mm;

awns straight or uncinate with longer anterior one straight, mostly 2 mm, others uncinate, 0.5–1 mm.

3–10+, grayish, urceolate, slightly ventricose basally, 3–4 mm, slightly corrugate, without scarious or membranous margins, thinly to densely pubescent;

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

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

exserted;

perianth bicolored with floral tube white to greenish yellow and tepals red to maroon, cylindric, 4–4.5 mm, sparsely pubescent;

tepals connate 1/2 their length, dimorphic, oblong, those of outer whorl spreading and recurved, slightly longer than those of inner whorl, broadly obcordate, slightly erose or at least wavy and rounded apically, those of inner whorl erect, narrower, fimbriate and truncate or somewhat 2-lobed apically, erect;

stamens 9, exserted;

filaments distinct, 3.5–4 mm, glabrous;

anthers pink to red or maroon, oblong, 1–1.3 mm.

exserted;

perianth bicolored with floral tube greenish white to white and tepals white to pink, cylindric, 4–4.5(–5) mm, sparsely pubescent;

tepals connate 1/2 their length, dimorphic, obovate, those of outer whorl spreading, 2 times longer than those of inner whorl, rounded or slightly obcordate apically, those of inner whorl erect, narrower, fimbriate apically;

stamens (6–)9, mostly included;

filaments distinct, 4–4.5 mm, glabrous;

anthers yellow to golden, oblong, 0.9–1.1 mm.

brown, globose-lenticular, 3–3.5 mm.

brown, globose-lenticular, 3–3.5 mm.

= 40, 42, 44.

= 38, 40, 42.