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, strongly blue-green, ternate with entire leaflets, 1–3 ternate or 1–2-ternate-1–2-pinnate;

petiole broadly sheathing more than 1/2 to entire length;

blade broadly ovate to rhombic, 4–25 × 2.4–11.9 cm, surfaces glabrous; ultimate segments which are primary and secondary leaflets 3–24, lanceolate or oblong to ovate or suborbiculate, 15–90 × (4–)10–40(–60) mm, relatively wide, margins shallowly toothed distally, sometimes also irregularly lobed, less often entire, apex rounded, entire or toothed and shallowly lobed, callus tips 0.2–0.4 mm, terminal segment 39–55 mm;

cauline leaves 0(–1).

absent or subterranean.

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.

1–2(–10) per plant, usually 1 per stem, ascending or erect, strongly inflated distally at maturity, 10–35 cm, exceeding leaves, (1–)2–18 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.

3–20.5 cm wide in flower, 6.7–25 cm wide in fruit, rays 7–25, ascending, (1–)3–25 cm in fruit, connate basally when mature, unequal, glabrous;

involucel bractlets 0.

petals purple to dark pink, glabrous;

anthers purple;

ovary and young fruit glabrous.

petals yellow, rarely purple, glabrous;

anthers whitish yellow;

ovary and young fruit glabrous.

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

3–15 mm, shorter than or subequal to 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, oblong or elliptic, sometimes narrowed to short beaklike tip, 7–15 × 2–5 mm, length/width ratio 2–3.3;

wings 0.6–1.5 mm wide, 10–70% of body width, paler than body;

abaxial ribs not raised;

apex acute to obtuse;

oil ducts 1 in intervals, 4–7 on commissure.

= 22.