Flora of North America species comparison

unbranched or branched distally, 3–10 dm.

branched distally, (3–)5–10 dm.

(soon withered);

not rosulate;

blade oblong to lanceolate or oblanceolate, 3–6 cm × 5–15 mm, margins usually entire, rarely denticulate.

rosulate;

petiole 0.3–3 cm;

blade oblanceolate, (1.5–)2.5–14.5(–20) cm × 10–30(–42) mm, margins dentate to subpinnatifid.

sessile;

blade (proximalmost) oblong to lanceolate or oblanceolate, or (distal) linear to narrowly oblong or lanceolate, base auriculate, margins usually entire, rarely denticulate.

sessile;

blade lanceolate to oblong, base auriculate, margins usually entire, rarely dentate.

lax.

lax or dense.

sepals spreading, whitish or purplish, 1.8–2.5 × 0.7–1 mm;

petals white, obovate to spatulate, 2.5–4.5 × 1.7–2.5 mm, claw 1–1.5 mm;

median filament pairs 1.7–2.5 mm;

anthers ovate, 0.5–0.8 mm;

gynophore 0.2–0.4 mm.

sepals erect, purple, 5–7.5 × 1.7–2.5 mm;

petals purple to lavender or white, spatulate, 10–14 × 1.2–1.7 mm, claw 4–6 mm;

median filament pairs 4–6 mm;

anthers linear, 3–4 mm;

gynophore (slender), 3–6(–9.5) mm.

horizontal to divaricate, straight or slightly recurved, (slender), 7–15 mm.

horizontal to divaricate-ascending, often upcurved, 6–9 mm.

erect to ascending, straight or curved, strongly torulose, 1.5–2.5 cm × 1–1.2 mm;

ovules 20–32 per ovary;

style cylindrical, 0.5–0.8 mm;

stigma obscurely 2-lobed.

ascending to divaricate or descending, straight or slightly recurved, torulose, 4.5–9 cm × 1.1–1.4 mm;

ovules 80–112 per ovary;

style cylindrical, (stout), 0.3–1 mm;

stigma 2-lobed.

1–1.5 × 0.7–0.9 mm.

1.2–1.5 × 0.8–1.2 mm.

= 20.

= 22.