Flora of North America species comparison

arising at slightly different heights, not forming just 1 rosette, blue-green, glaucous, often 2–3-ternate-3-pinnately dissected;

petiole broadly sheathing basally to 1/2 length;

blade triangular to ovate, 5–12 × 2.7–10 cm, surfaces glabrous;

penultimate segments narrow, usually less than 2 mm wide, ultimate segments 1000–5000, linear, 1–5 × 0.5 mm, not overlapping, margins entire, apex acute, callus tips 0–0.2 mm, firm but not spinelike, terminal segment 1–5 mm;

cauline leaves 0–2, petioles sometimes sheathing more than 1/2 length.

arising at slightly different heights, not forming just 1 rosette, gray-blue, 2-ternate or ternate-1–2-pinnate;

petiole sheathing basally;

blade triangular-ovate to obovate, 5–15 × 3–15 cm, surfaces glabrous;

primary and proximal secondary leaflets unlobed (but coarsely toothed) to 3-lobed, penultimate segments 5–60 not counting leaf teeth, deltate, unlobed or 3-lobed, 10–25 × (5–)7–25 mm, margins sharply and regularly dentate, apex obtuse, callus tips 0.3–0.7 mm, terminal segment 10–30 mm;

cauline leaves 0(–1).

absent or subterranean.

absent or subterranean.

1–6 per plant, usually 1 per stem, decumbent, spreading, or ascending, strongly inflated at maturity, 5–15(–24) cm, exceeding leaves, 2–8(–11) mm wide 1 cm below umbel, glabrous.

1–4+ per plant, 1(–2) per stem, ascending, not inflated, 10–40 cm, exceeding leaves, 1–4 mm wide 1 cm below umbel, glabrous.

2.5–4.7 cm wide in flower, 3.6–8.6 cm wide in fruit, rays 6–16, spreading, 1–4(–6) cm in fruit, subequal to unequal, glabrous;

involucel bractlets several, distinct, linear-subulate, (3–)4–9(–15) mm, shorter or longer than flowers, margins very broadly scarious, not ciliate, entire, glabrous;

umbellets 8–15-flowered.

2–5 cm wide in flower, 5.5–16 cm wide in fruit, rays 8–20, spreading, 2.5–6.5 cm in fruit, unequal, glabrous;

involucel bractlets several, distinct, lanceolate to narrowly linear, 1–3 mm, subequal to flowers, margins scarious, not ciliate, entire, glabrous.

petals purple to dark pink, glabrous;

anthers purple;

ovary and young fruit glabrous.

petals yellow or reddish purple, glabrous;

anthers purplish;

ovary and young fruit glabrous.

(5.5–)6.5–8(–9) mm, shorter than fruit.

5–19 mm, shorter than fruit, spreading to erect when fruit is mature.

± dorsiventrally compressed, narrowly elliptic or oblong-oval, 8.8–16(–19.3) × (3–)4.7–7.8 mm, length/width ratio 1.9–3.3;

wings 0.9–2 mm wide, 25–50% of body width, ± same color as body;

abaxial ribs slightly raised;

apex obtuse;

oil ducts usually 1 in intervals, 3–4 on commissure, conspicuous.

dorsiventrally compressed, widely elliptic to suborbiculate, 6–14 × 7–11 mm, length/width ratio 0.8–1.4;

wings 2.1–3 mm wide, 55–110% of body width, paler than body, thin;

abaxial ribs slightly or not raised;

apex deeply emarginate;

oil ducts 2–3 in intervals, 8 on commissure.

= 22.