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.

essentially basal;

petiole 1–3(–4) cm;

blade oblong to oblong-ovate, 0.5–3(–8) × 0.3–1(–2.5) cm, thinly pubescent or glabrous adaxially, usually densely tomentose abaxially.

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.

mostly flat-topped and open to densely branched, green to gray or reddish;

bracts soon deciduous, 2, occasionally leaflike at proximal nodes and similar to proximal leaf blades only short-petiolate, more reduced and usually sessile, obovate, others linear and acicular, often acerose, (0.1–)0.2–0.5(–1) cm × 1–3(–6) mm, awns straight, 0.5–2 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.

usually congested terminally with 1 at node of dichotomies, reddish to purplish, cylindric, not ventricose, 3–4(–5) mm, often irregularly corrugate, without scarious or membranous margins, thinly pubescent;

teeth spreading, unequal, 0.7–1.3(–1.5) mm with longest of 3 longer ones more erect than others, these alternating with 3 shorter and less-prominent ones;

awns uncinate, 0.5–1 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.

mostly included;

perianth rose to red, cylindric, 3–4(–5) mm, pubescent;

tepals connate 1/2 their length, monomorphic to slightly dimorphic, oblong to obovate, rounded to obtuse or truncate apically, occasionally irregularly denticulate, those of outer whorl usually slightly broader and longer than those of inner whorl;

stamens 9, mostly included;

filaments distinct, 2.5–4(–4.5) mm, glabrous;

anthers pink to red, oblong, 0.5–0.6 mm.

dark brown, lenticular, 2–2.2 mm.

brown, lenticular, 3–4 mm.

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

= 38, (40, 42).