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 or gray-green, 1–2-ternate or ternate-pinnate;

petiole sheathing basally to 1/2 length;

blade broadly triangular-ovate, 5–15 cm diam., surfaces glabrous or sparsely scaberulous;

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

penultimate segments 3–15, ovate to broadly oblanceolate, unlobed, rarely shallowly 3-lobed, 10–40 × 8–35(–60) mm, length/width ratio 1–1.7, margins regularly and sharply toothed, apex rounded, dentate, callus tips 0–0.7 mm, terminal segment 7–41 mm;

cauline leaves 0.

absent or subterranean.

absent or nearly so.

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(–6) per plant, 1 per stem, ascending to erect, ± inflated, 5–35 cm, exceeding leaves, 2–5 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 cm wide in flower, 6.6–15.5 cm wide in fruit, rays 8–20, spreading-ascending, 3–8 cm in fruit, equal, slightly scabrous;

involucel bractlets 5–10, ± connate basally, lanceolate, 2–8 mm, subequal to flowers, margins narrowly scarious, not ciliate, entire or lobed, glabrous.

petals purple to dark pink, glabrous;

anthers purple;

ovary and young fruit glabrous.

petals greenish yellow or purplish, glabrous;

anthers yellow;

ovary and young fruit glabrous.

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

4–12 mm, 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, broadly oblong, 8–15 × 6–13 mm, length/width ratio 1–1.5;

wings 1.3–4 mm wide, 25–100% of body width, paler than body, thin;

abaxial ribs not raised;

apex emarginate;

oil ducts 1–3 in intervals, 4–6 on commissure.

= 44.