Flora of North America species comparison

unbranched or branched distally, 3–10 dm.

(simple or, often, several from base), branched distally, 1.5–5(–6) dm.

(soon withered);

not rosulate;

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

rosulate;

petiole 0.5–2.3 cm;

blade broadly oblanceolate, (1.8–)2–3.5(–4) cm × 10–15 mm, margins entire or remotely denticulate.

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 broadly ovate to oblong, (slightly smaller distally), base strongly auriculate to amplexicaul, margins entire.

lax.

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 ascending to spreading, purplish to greenish or white, 4.5–5.5 × 1.2–1.5 mm;

petals white, spatulate, 9–11 × 3–4 mm, (margins not crisped), claw 4–6 mm;

median filament pairs 4–6 mm;

anthers linear, 3–4 mm;

gynophore (stout), 0.2–1.5 mm.

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

horizontal to divaricate-ascending, straight or upcurved, (slender), 4–8.5(–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.

erect to ascending, straight or slightly recurved, (distinctly tortuous), torulose, 2–4 cm × 1.2–1.5 mm;

ovules 30–42 per ovary;

style cylindrical, 1–3 mm;

stigma slightly 2-lobed.

1–1.5 × 0.7–0.9 mm.

1.2–1.7 × 0.6–0.9 mm.

= 20.