Flora of North America species comparison

erect, often branched distally, sometimes proximally, (0.5–)1.2–10(–12) dm.

(often withered by flowering);

blade spatulate to narrowly oblanceolate or linear, 2–18(–27) cm × 3–15(–30) mm, base attenuate, margins entire or dentate to denticulate, apex acute.

(distal) sessile;

blade margins entire or denticulate.

of leaves 2–4(–7)-rayed.

considerably elongated in fruit.

sepals narrowly oblong, 7–14 mm, lateral pair saccate basally;

petals usually orange to yellow, rarely lavender or purplish, suborbicular to obovate, 12–25(–30) × (5–)6–10(–13) mm, claw 8–16 mm, apex rounded;

median filaments 9–18 mm;

anthers linear, 3–4 mm.

divaricate to ascending, stout or slender, narrower than fruit, 4–17(–25) mm.

divaricate or ascending to erect, narrowly linear, straight or curved upward, not torulose, 3.5–11(–15) cm × 1.3–3.3 mm, 4-angled to latiseptate, not striped;

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

ovules (40–)54–82 per ovary;

style cylindrical, usually stout, rarely slender, 0.2–2.5(–3) mm, sparsely pubescent;

stigma 2-lobed, lobes as long as wide.

oblong, 1.5–4 × 1–2 mm; winged apically or not winged.

= 36.