Flora of North America species comparison

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

erect, unbranched, (1.4–)2.5–8(–10) dm.

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

blade filiform to narrowly linear, 5–17 cm × 0.4–3 mm, (somewhat revolute, appearing terete), base attenuate, margins denticulate, apex subacuminate.

(distal) sessile;

blade margins entire or denticulate.

sessile;

blade margins entire or remotely denticulate.

elongated or not in fruit.

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 oblong to linear-oblong, 7–11 mm, lateral pair saccate basally;

petals orange-yellow to yellow, broadly obovate to suborbicular, 15–20(–25) × 5–10 mm, claw 6–13 mm, apex rounded;

median filaments 7–14 mm;

anthers linear, 2.3–3.5 mm.

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

divaricate to ascending, slender, narrower than fruit, 5–14 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.

widely spreading to ascending, narrowly linear, curved or slightly twisted, somewhat torulose, (4–)7–12(–15) cm × 1.2–2.2(–2.5) mm, slightly latiseptate, not striped;

valves with prominent midvein, pubescent outside, trichomes 2 and 3 (or 4)-rayed, glabrous inside;

ovules 40–72 per ovary;

style cylindrical, slender, 0.5–2(–2.5) mm, sparsely pubescent;

stigma subentire to slightly 2-lobed, lobes as long as wide.

ovoid, 1.2–1.7 × 0.8–1 mm;

not winged or wing apiculate.

ovoid, 1.5–2.3(–2.7) × 0.9–1.5 mm;

wing appendage-like, distal.

of leaves 2- or 3-rayed.

of leaves 2-rayed, mixed with 3-rayed ones.

= 81.

= 36.