Flora of North America species comparison

erect, unbranched or branched distally, 0.4–5(–7) dm.

erect, often branched distally, 0.5–3(–6.5) dm.

blade (slightly fleshy), spatulate to oblanceolate, 2–11 cm × 4–20 mm, base attenuate, margins sinuate-dentate to coarsely dentate, apex rounded to subacute.

(often withered by fruiting);

blade linear-oblanceolate, 2–11(–15) cm × (1.5–)2–6 mm, margins usually entire, rarely denticulate.

(distal) sessile;

blade margins entire or denticulate.

(distal) sessile;

blade margins entire.

of leaves 2- or 3(–7)-rayed.

of leaves 2- or 3-rayed.

considerably elongated in fruit.

(simple or branched), considerably elongated in fruit.

sepals oblong, 8–19 mm, lateral pair saccate basally;

petals yellow to cream, suborbicular to broadly obovate, 15–32 × 6–16 mm, claw 8–12 mm, apex rounded;

median filaments 8–11 mm;

anthers linear, 3–4 mm.

sepals linear-oblong, 8–13 mm, lateral pair saccate basally;

petals bright or pale yellow, obovate to broadly so, 14–22(–25) × 3–7.5 mm, claw 11–16 mm, apex rounded;

median filaments 10–14 mm;

anthers linear, 3–4 mm.

ascending, stout, narrower than fruit, 2–4(–6) mm.

divaricate-ascending, slender, narrower than fruit, 4–11(–15) mm.

usually ascending to suberect, rarely divaricate-ascending, narrowly linear, straight or curved inwards, not torulose, (3–)5–13 cm × 2.2–5 mm, terete when immature, becoming strongly latiseptate, not striped;

valves with obscure midvein, pubescent outside, trichomes 2–5-rayed, glabrous inside;

ovules 42–68 per ovary;

style cylindrical or flattened, stout, 0.5–2.5 mm, sparsely pubescent;

stigma 2-lobed, lobes as long as wide.

ascending, narrowly linear, straight, not torulose, 3–12 cm × (2–)2.4–3.7 mm, strongly latiseptate, not striped;

valves with prominent midvein, pubescent outside, trichomes 2- and 3-rayed, glabrous inside;

ovules 34–46 per ovary;

style cylindrical, slender, (2–)2.5–5 mm, sparsely pubescent;

stigma entire.

broadly ovate to suborbicular, (1.5–)2–4 × 1.5–3 mm;

wing continuous.

ovoid, (2–)2.5–3.5 × 1.3–2.5 mm;

wing continuous distally, (0.3–0.8 mm wide).

= 36.

= 36.