Flora of North America species comparison

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

erect, unbranched or branched basally and/or distally, (0.8–)1.5–7(–9.4) dm.

(often withered by fruiting);

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

blade oblanceolate to linear-oblanceolate, 2–7 cm × 2–7 mm, base attenuate, margins entire or denticulate, apex acute.

(distal) sessile;

blade margins entire.

sessile;

blade margins entire or denticulate.

(simple or branched), considerably elongated in fruit.

(densely flowered), elongated or not in fruit.

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.

sepals linear-oblong, 5–8 mm, lateral pair saccate basally;

petals yellow, narrowly obovate to spatulate, (8–)10–15 × (2–)2.5–4 mm, claw 6–9 mm, apex rounded;

median filaments 6–10 mm;

anthers narrowly linear, 1.7–2 mm.

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

usually ascending, rarely divaricate-ascending, stout, slightly narrower than fruit, (often crowded), 4–7(–10) mm.

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.

suberect to ascending, (subappressed to rachis or not), narrowly linear, straight, not torulose, 2.5–5.8(–6.4) cm × 1.8–2.5 mm, slightly 4-angled, not striped;

valves with somewhat prominent midvein, pubescent outside, trichomes 2–4-rayed, glabrous inside;

ovules 40–56 per ovary;

style stout, 0.5–1.5 mm, moderately to sparsely pubescent;

stigma strongly 2-lobed, lobes as long as wide.

ovoid, (2–)2.5–3.5 × 1.3–2.5 mm;

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

ovoid to oblong, 1.5–2 × 1–1.2 mm;

not winged.

of leaves 2- or 3-rayed.

of leaves 2- (or 3-) rayed.

= 36.

= 54.