Flora of North America species comparison

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

erect, unbranched or branched distally, 0.4–9(–13) dm.

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

blade (somewhat fleshy), linear-oblanceolate, 3.5–15.5 cm × 2–9 mm, base attenuate, margins entire or obscurely dentate, apex acute.

(distal) sessile;

blade margins entire or denticulate.

blade (oblanceolate), margins entire.

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, 7.5–11(–13) mm, lateral pair slightly saccate basally;

petals bright yellow, broadly obovate to suborbicular, 14–24 × 6–11(–14) mm, claw 8–14 mm, apex rounded;

median filaments 8.5–12 mm;

anthers linear, 3–4 mm.

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

divaricate to divaricate-ascending, stout, slightly narrower than fruit, 4–10(–13) 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.

spreading, narrowly linear, straight, not torulose, (2–)3.5–12 cm × 1.5–3.5 mm, latiseptate, not striped;

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

ovules 50–86 per ovary;

style cylindrical, stout, 0.3–1.5(–2) mm, sparsely pubescent;

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

ovoid, 1.2–1.7 × 0.8–1 mm;

not winged or wing apiculate.

oblong, 1.5–3 × 1–1.8 mm; winged distally (narrowly so around).

of leaves 2- or 3-rayed.

of leaves 2–4(–7)-rayed.

= 81.

= 36.