Flora of North America species comparison

single, erect, villous with septate trichomes, sometimes ± glabrate, sometimes distally thinly tomentose;

branches few–many, ascending.

single, erect, villous with septate trichomes, sometimes ± glabrate, distally ± tomentose;

branches few–many, ascending.

blades oblanceolate to elliptic or ovate, 10–40 × 1–13 cm, margins flat, finely spiny-toothed and otherwise undivided to coarsely toothed or shallowly pinnatifid, lobes broadly triangular, main spines 1–5 mm, abaxial faces white-tomentose, adaxial faces green, glabrate to villous with septate trichomes;

basal usually absent at flowering, winged-petiolate, bases tapered;

principal cauline well distributed, gradually reduced, bases narrowed, sometimes weakly clasping;

distal cauline well developed.

blades oblanceolate to elliptic or ovate, 10–25(–50) × 1–13 (–25) cm, usually deeply divided more than halfway to midveins, proximal sometimes undivided, lobes linear-lanceolate, margins revolute, ascending, entire or spinulose to remotely few toothed or sharply lobed, main spines 1–5 mm, abaxial faces white-tomentose, adaxial faces green, villous with septate trichomes or glabrate;

basal usually absent at flowering, winged-petiolate, bases tapered;

principal cauline well distributed, gradually reduced, bases narrowed, sometimes weakly clasping, not decurrent;

distal cauline well developed.

0–5 cm (leafy-bracted).

0–5 cm (not overtopped by crowded distal cauline leaves).

ovoid to broadly cylindric or campanulate, (2–)2.5–3.5(–4) × (1.5–)2–3(–4) cm, thinly arachnoid.

ovoid to broadly cylindric or campanulate, 2–3.5(–4) × 1.5–3 cm, thinly arachnoid.

tips 4–6 mm.

pink to purple (white), 20–35 mm, tubes 10–16 mm, throats 5–12 mm, lobes 5–9 mm.

pink to purple (white), 25–32 mm, tubes 12–16 mm, throats 7–10 mm, (noticeably wider than tubes), lobes 6–9 mm;

style tips 4–6 mm.

in 10–20 series, strongly imbricate, greenish with subapical darker central zone, ovate (outer) to lanceolate (inner), abaxial faces with a narrow glutinous ridge (milky when fresh, dark when dry), outer and middle entire, bodies appressed, spines slender, abruptly spreading, 3–4 mm;

apices of inner phyllaries spreading, narrow, flattened, entire, spines spreading, slender, 3–4 mm;

apices of inner phyllaries spreading, narrow, flattened, ± dilated, ± erose or finely serrulate.

in 10–12 series, strongly imbricate, greenish with subapical darker central zone, ovate (outer) to lanceolate (inner), abaxial faces with narrow glutinous ridge, outer and middle bodies appressed, margins entire, spines abruptly spreading to deflexed, slender, 3–9 mm;

spines slender, 3–9 mm;

apices of inner phyllaries spreading, narrow, flattened, finely serrulate.

1–many, in corymbiform or paniculiform arrays, (± elevated above principal cauline leaves), not subtended by ring of spiny bracts.

1–many in corymbiform or paniculiform arrays.

tan to dark brown, 4–5.5 mm, apical collars stramineous, 0.5–1 mm;

pappi 12–24 mm.

tan to brownish, 4–5 mm, apical collars straw-colored, 0.5–75 mm;

pappi 18–25 mm.

= 18.

= 20, 21, 22.