Flora of North America species comparison

basal;

petiole 0.5–2(–3.5) cm;

blade oblanceolate to narrowly oblong, 0.5–2.5(–4) × 0.2–0.6(–1.2) cm, thinly pubescent.

basal;

petiole 0.5–2(–3) cm;

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

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

bracts 2, sessile, usually leaflike, oblanceolate to elliptic, 0.5–1.5 cm × 1.5–7 mm, gradually reduced and becoming scalelike at distal nodes, linear, aciculate, acerose, 0.1–0.5 cm × 1–2 mm, awns straight, 0.4–1 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.

3–5, greenish or grayish to reddish, urceolate, slightly ventricose basally, 1.5–2 mm, corrugate, without scarious or membranous margins, pubescent;

teeth widely spreading to divergent or recurved, equal, 0.5–1.5 mm or 1–3 mm;

awns uncinate or straight, unequal, alternating 0.5–1.5 mm and 0.2–0.5 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.

slightly exserted;

perianth bicolored with floral tube greenish white and tepals white, cylindric, 2.5–3 mm, sparsely pubescent;

tepals connate 2/3 their length, slightly dimorphic, those of outer whorl oblong to oblong-ovate, 1.5 times longer than those of inner whorl, rounded, erose or rarely some entire to denticulate apically, those of inner whorl linear-oblanceolate, acute, entire or denticulate apically;

stamens 9, included;

filaments distinct, 2–2.5 mm, glabrous;

anthers white, ovate, 0.2–0.3 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, globose-lenticular, 2.5–3 mm.

brown, lenticular, 1.5–2.5 mm.

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