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, blue-green, strongly glaucous, ternate-2–4-pinnately dissected;

petiole sheathing basally;

blade deltate-orbiculate, 5–20 × 10–30+ cm, surfaces glabrous; ultimate segments 1000–3000, linear, 3–20 × 0.5–2 mm, not overlapping, margins entire, apex acute, callus tips 0–0.4 mm, firm but not spinelike, terminal segment 8–13 mm;

cauline leaves 0–1, cauline petioles often sheathing their entire length.

absent or subterranean.

absent.

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.

1–5(–35) per plant, 1 per stem, ascending to erect, inflated at maturity, 30–80 cm, exceeding leaves, 3–10 mm wide 1 cm below umbel, ± brittle, 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.

4–5.5 cm wide in flower, 5–18 cm wide in fruit, rays usually 7–14, spreading, 3–20 cm in fruit, usually subequal, glabrous;

involucel bractlets several, often basally connate, linear to lanceolate, 2–10 mm, shorter than flowers, margins scarious, not ciliate, usually entire, glabrous;

umbellets 15–20-flowered.

petals purple to dark pink, glabrous;

anthers purple;

ovary and young fruit glabrous.

petals pink or purple, glabrous;

anthers pink to purple;

ovary and young fruit glabrous.

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

usually (7–)10–30 mm, shorter or slightly longer than fruit.

± 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, elliptic to oblong-obovate, 15–30 × 8–15.5 mm, length/width ratio 1.3–2.3;

wings 1.5–2(–3) mm, wide 15–40% of body width, paler than body;

abaxial ribs slightly raised;

apex rounded, obtuse, or truncate;

oil ducts 2–3 in intervals, 4 on commissure, often 1 in wing, readily visible.

= 66.