Flora of North America species comparison

basal;

petiole 0.5–2 cm;

blade oblanceolate, 0.5–2.5 × 0.3–0.8 cm, thinly pubescent.

basal or nearly so;

petiole 0.5–2(–3) cm;

blade round-ovate, (0.5–)0.8–1.5(–2) × (0.3–)0.5–1.5(–2) cm, thinly floccose to tomentose.

with involucres in dense clusters 1–2 cm diam., yellowish green;

bracts 2, without whorl of sessile bracts about midstem, usually leaflike, oblanceolate, 0.5–1.5 cm × 1.5–3 mm, gradually reduced and becoming scalelike at distal nodes, linear, aciculate, acerose, 0.3–0.8 cm × 1–2 mm, awns straight, 1–2.5 mm.

with involucres in small clusters 0.5–1 cm diam., green to tan or reddish;

bracts 2, linear to linear-lanceolate, acicular, 2–7 cm × 1–2.5 mm, awns slightly curved, 0.5–1 mm.

3–10+, yellowish green, urceolate, slightly ventricose basally, 3–4.5 mm, slightly corrugate, without scarious or membranous margins, thinly pubescent;

teeth spreading, unequal, 1–3 mm;

awns straight or uncinate with longer anterior one straight or slightly curved, mostly 2 mm, others uncinate, 0.5–1.5 mm.

1, green to tan, cylindric, 3-angled but 3-ribbed, 3–4 mm, markedly transverse corrugate, glabrate;

teeth 3, equal, 2–4.5 mm;

awns uncinate, 0.6–1 mm.

exserted;

perianth bicolored with floral tube greenish white to white and the lobes white to pinkish, cylindric, 5–6 mm, sparsely pubescent;

tepals connate 2/3 their length, dimorphic, obovate, those of outer whorl erect, slightly longer than those of inner whorl, 2-lobed apically, those of inner whorl erect, 2-lobed, erose apically;

stamens 9, included;

filaments distinct, 5–5.5 mm, glabrous;

anthers yellow to golden, oblong, 1–1.2 mm.

1, included to slightly exserted;

perianth white, cylindric, 2–2.5 mm, thinly pubescent abaxially;

tepals connate ca. 2/3 their length, monomorphic, oblong, acute, entire apically;

stamens 6, slightly exserted;

filaments distinct, 0.8–1 mm, glabrous;

anthers cream, ovate, 0.4–0.5 mm.

brown, globose-lenticular, 3–3.5 mm.

brown, lenticular, 2.5–3 mm.

= ca. 38.

= 38.