Flora of North America species comparison

basal;

petiole 0.5–3(–5) cm;

blade elliptic to obovate or spatulate, 1–3(–3.5) × 0.2–1(–2.5) cm, thinly pubescent adaxially, sparsely tomentose abaxially.

basal and cauline;

petiole 0.1–0.5(–0.8) cm;

blade linear to narrowly oblanceolate, (1–)1.5–5 × 0.1–0.3 cm, thinly to densely floccose adaxially, densely tomentose abaxially.

open, reddish;

bracts 3 at proximal node, otherwise 2, sessile, scalelike, linear, acicular, often acerose, 0.1–0.5 cm × 0.5–1 mm, awns straight, 1–2 mm.

strict, white to greenish, open;

bracts usually 2, opposite, rarely in whorls of 3–5, short-petiolate, acerose, similar to proximal leaf blades only reduced, 0.3–3 cm × 1–3 mm, awns straight, 0.5–1 mm.

1(–5+), reddish or greenish, cylindric, not ventricose, 4–6(–7) mm, finely corrugate, with thin hyaline margins between teeth, sparsely to densely pubescent;

teeth divergent, unequal, 3 longer ones 1–3 mm, alternating with 3 shorter ones 0.3–1 mm;

awns straight, unequal, 3 longer ones 1–2.5(–3) mm, shorter one (0.3–)0.5–1.5 mm.

usually congested in small terminal clusters of 1–3 at node of dichotomies, urceolate, ventricose basally, 3-angled, 6-ribbed, 3–4 mm, not corrugate, with conspicuous, white margins extending across sinuses, tomentose to floccose or glabrate with age, greenish to brownish;

teeth 6;

awns uncinate, 0.7–1.5 mm.

exserted;

perianth bicolored, with floral tube yellow to yellowish white and tepals white to rose, becoming dark rose to red with age, cylindric, 6–9(–10) mm, glabrous abaxially except for few to several scattered hairs ca. midlength along midribs;

tepals connate 1/2 their length, monomorphic, oblong, fimbriate to laciniate apically;

stamens 9, included;

filaments distinct, 3–8 mm, glabrous;

anthers pink to red, oblong, 0.5–0.7 mm.

1(–2), slightly exserted;

perianth white to rose, subcylindric, (1.5–)2.5–3 mm, densely pubescent abaxially;

tepals connate 2/3 their length, slightly dimorphic, entire and rounded apically, those of outer whorl obovate, those of inner whorl spatulate;

stamens slightly exserted;

filaments 1.5–2.5 mm, glabrous;

anthers pink to red, oval, 0.2–0.3 mm.

brown, lenticular, 3–4 mm.

2.5–3 mm.

= 38, 40, (42), 80, 82, 84.