Flora of North America species comparison

unbranched or branched distally, 3–10 dm.

unbranched or branched distally, 1.5–5(–7) dm.

(soon withered);

not rosulate;

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

(soon withered);

not rosulate;

petiole 0.5–3 cm;

blade oblanceolate, 1.5–9 cm × 5–30 mm, margins pinnatifid to dentate-sinuate.

sessile;

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

(proximalmost) petiolate or (distal) sessile;

blade (proximalmost) oblanceolate, (distal) ovate to oblong, base subamplexicaul or auriculate, margins (proximalmost) pinnatifid to dentate-sinuate, or (distal) entire.

lax.

lax.

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, green or purplish, 3–4.5 × 0.7–1.2 mm;

petals white, oblanceolate, 4–5.5 × 1–1.5 mm, claw 2–3 mm;

median filament pairs 3–4 mm;

anthers ovate, 0.5–0.8 mm;

gynophore 0.2–0.4 mm.

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

ascending to divaricate, straight, 3–7(–10) 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.

divaricate to ascending or spreading, straight or curved, torulose, 3–6.5 cm × 1–1.2 mm;

ovules 46–114 per ovary;

style subclavate, 0.7–1.5 mm;

stigma entire or obscurely 2-lobed.

1–1.5 × 0.7–0.9 mm.

0.9–1.2 × 0.5–0.7 mm.

= 20.