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, green, usually ternate-2-pinnate or ternate-2-pinnatifid;

petiole sheathing basally to 1/2 length;

blade triangular or rhombic, 5–11 × 8 cm, surfaces glabrous;

leaflets not overlapping, penultimate segments narrow, usually less than 2 mm wide, ultimate segments 3–20, narrowly linear to narrowly elliptic, 10–45 × 1–2 mm, margins entire, usually not reflexed, apex acute, callus tips 0–0.1 mm, terminal segment 10–28 mm;

cauline leaves 0.

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.

1–6 per plant, 1 per stem, erect, not inflated, 8.3–14.5 cm, exceeding leaves, 1 mm wide 1 cm below umbel, glabrous or sparsely scaberulous.

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.

2–6 cm wide in flower, 5.5–11 cm wide in fruit, rays (3–)4–8(–10), ascending, 3–15 cm in fruit, unequal, glabrous or sparsely scaberulous;

involucel bractlets 0(–few), distinct, linear to lanceolate, 1–3 mm, exceeding petioles, margins scarious, not ciliate, entire or 3-lobed or -toothed, glabrous.

petals purple to dark pink, glabrous;

anthers purple;

ovary and young fruit glabrous.

petals white to cream, glabrous;

anthers white or yellowish;

ovary and young fruit glabrous.

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

0.5–2(–3) mm, shorter 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.

not compressed, linear to ± elliptic, crowded, (4.4–)5–11.6 × 0.6–1.5 mm, length/width ratio 5–20;

lateral ribs 0.3 mm wide, 0% of body width, not winglike;

abaxial ribs not raised;

apex slightly constricted above fruit body, acute;

oil ducts 1 in intervals, 2 on commissure, obscure.