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, 1(–2)-ternate-1–2-pinnate-pinnatifid, basal leaves with petiole narrowly sheathing basally to 1/2 length;

blade triangular or rhombic, 4–12 × 4–14 cm, surfaces glabrous or scaberulous; ultimate segments 15–35(–50), narrowly linear, oblong, or lanceolate, (4–)10–50(–80) × 1–4 mm, relatively narrow, crowded, confluent at base with adjacent lobe, petiolule absent, margins entire or minutely serrulate (10x), usually not reflexed, apex obtuse or rounded to ± acute, callus tips 0–0.1 mm, terminal segment 10–30 mm, length/width ratio (6–)8–18(–26);

cauline leaves 0(–2), if present, with more than 5 ultimate segments.

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.

1–3(–8) per plant, 1–2 per stem, ascending to erect, rarely spreading, not inflated, 2.5–12 cm, shorter than or exceeding leaves, 1–2 mm wide 1 cm below umbel, scaberulous to scabrous, rarely 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.

(0.5–)1.8–8.2 cm wide in flower, 2.2–8 cm wide in fruit, rays 1–12, ascending, 4–8 cm in fruit (if fertile), unequal, scaberulous;

involucel bractlets 0(–few), absent on most umbellets, distinct, lanceolate to elliptic, shorter than flowers, margins not scarious, not ciliate, entire, glabrous.

petals purple to dark pink, glabrous;

anthers purple;

ovary and young fruit glabrous.

petals yellow, aging purplish, buds often salmon pink, glabrous;

anthers yellow;

ovary and young fruit usually glabrous, occasionally sparsely scaberulous when young and becoming glabrous with age.

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

5–11 mm, shorter to slightly longer 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, narrowly elliptic, fusiform, or oblong, (7–)8.3–12 × 2.7–3.8 mm, length/width ratio 2.3–4.2;

wings 0.5–1.1 mm 16–55% of body width, paler than body;

abaxial ribs slightly raised;

apex acute;

oil ducts 1 in intervals, 2 on commissure.