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;

petiole sheathing basaly;

blade triangular-ovate, 4–15 × 4–14 cm, surfaces glabrous;

primary and proximal secondary leaflets unlobed (but coarsely toothed) to 3-lobed;

penultimate segments 3–9, deltate, 3-lobed, sometimes unlobed, 15–70 × 10–65 mm, relatively wide, margins sharply dentate, apex usually obtuse, callus tips 0.4–1 mm, terminal segment 20–45 mm;

cauline leaves 0.

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.

1–6+ per plant, 1 per stem, ascending to erect, not inflated, 15–50 cm, exceeding leaves, (1–)2–6 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.

3–6.8 cm wide in flower, 6–16 cm wide in fruit, rays usually 10–20, spreading or spreading-ascending, 2–8.5 cm in fruit, subequal, glabrous;

involucel bractlets several, distinct or ± connate basally, linear-lanceolate, 3–7 mm, subequal to or longer than flowers, margins usually not scarious, not ciliate, usually entire, sometimes distally lobed, glabrous.

petals purple to dark pink, glabrous;

anthers purple;

ovary and young fruit glabrous.

petals yellow, glabrous;

anthers yellow;

ovary and young fruit glabrous.

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

4–14 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, suborbiculate to broadly elliptic, (6–)9–15 × (5–)8–13(–15) mm, length/width ratio (0.9–)1–1.4(–1.8);

wings 2–4.5 mm wide, 100–140% of body width, paler than body, thick, conspicuously red;

abaxial ribs not raised;

apex emarginate;

oil ducts 1 in intervals, 2–4 on commissure.

= 22.