Flora of North America species comparison

erect, unbranched or branched distally, 1.5–7 dm.

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

blade linear to linear-oblanceolate, 1.5–6(–8) cm × 2–8 mm, base attenuate, margins entire or dentate, apex acute.

(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.

elongated or not in fruit.

(simple or branched), considerably elongated in fruit.

sepals oblong to linear-oblong, 4–6 mm, lateral pair slightly saccate basally;

petals yellow, oblanceolate, 6–9(–11) × 1–2 mm, claw 5–7 mm, apex rounded;

median filaments 5–7 mm;

anthers narrowly oblong to linear, 1–2 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.

divaricate-ascending to ascending, stout, slightly narrower than fruit, 4–9(–15) mm.

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

ascending to divaricate-ascending, (not appressed to rachis), narrowly linear, straight, not torulose, 3–5.8(–7) cm × 1–1.5(–1.8) mm, slightly 4-angled or terete, not striped;

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

ovules 36–66 per ovary;

style cylindrical, stout, 0.7–3 mm, moderately to sparsely pubescent;

stigma strongly 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.

ovoid, 1.2–1.7 × 0.8–1 mm;

not winged or wing apiculate.

ovoid, (2–)2.5–3.5 × 1.3–2.5 mm;

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

of leaves 2- or 3-rayed.

of leaves 2- or 3-rayed.

= 81.

= 36.