Flora of North America species comparison

basal;

petiole 1–2 cm;

blade narrowly oblanceolate, 0.5–1.5 × 0.2–0.35(–0.5) cm, thinly pubescent.

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;

bracts 2, sessile, unequal, 1 laminar and oblanceolate, 0.3–1 cm × 1–3 mm, awnless, this opposite linear, acicular, greatly reduced, 0.1–0.2 cm × 0.3–0.6 mm bract terminated by short, straight awn 0.6–1 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, greenish, campanulate, 3-ribbed, 0.8–2 mm, faintly corrugate, pubescent;

teeth 3, equal, 1.8–2 mm;

awns uncinate, 0.6–1 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, 1.5–1.8 mm, densely pubescent abaxially;

tepals connate ca. 1/2 their length, monomorphic, narrowly oblanceolate, obtuse to truncate, entire apically, slightly spreading;

stamens 9, slightly exserted;

filaments distinct, 0.5–0.8 mm, glabrous;

anthers reddish, 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.

dark brown, lenticular, 2–2.2 mm.

brown, globose-lenticular, 3–3.5 mm.

= (76, 78), 80, (84).

= 38, 40, (48).