Flora of North America species comparison

unbranched or branched distally, 3–10 dm.

branched basally and distally, (1.4–)2–5(–6) dm, (glabrous or sparsely pubescent basally).

(soon withered);

not rosulate;

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

rosulate;

petiole 0.5–4 cm;

blade oblanceolate, 2–7 cm × 5–22 mm, margins irregularly dentate.

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, (smaller distally), base auriculate, margins entire, (surfaces glabrous).

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 spreading to reflexed, yellow, 5–7.5(–8.5) × 1.7–2.5 mm;

petals yellow, spatulate to broadly oblong, 7–11(–13) × 2–3.5 mm, claw 5–7 mm (to 2 mm wide);

median filament pairs 5–6.5 mm;

anthers linear, 3–4 mm;

gynophore (slender), 2–6(–8) mm.

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

divaricate-ascending, straight, (5–)6.6–13(–15) 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 divaricate-ascending, straight or slightly curved, torulose, 5–7.5(–9) cm × 1.2–1.7 mm;

ovules 72–98 per ovary;

style subclavate, 0.5–2 mm;

stigma 2-lobed.

1–1.5 × 0.7–0.9 mm.

1.2–1.5 × 0.6–0.8 mm.

= 20.

= 22.