Flora of North America species comparison

erect, often branched distally, (woody at base), 0.6–5(–6) dm.

(often withered in suffrutescent plants);

blade oblanceolate to oblanceolate-linear, 2.5–17 cm × (2–)3–16(–20) mm, base attenuate, margins sinuate-dentate or dentate, apex acute.

(distal) petiolate;

blade margins usually dentate, rarely denticulate.

considerably elongated in fruit.

sepals oblong to linear-oblong, 8–12(–15) mm, lateral pair saccate basally;

petals yellow to cream, obovate to suborbicular, 14–29 × 5–12(–15) mm, claw 9–17 mm, apex rounded;

median filaments 9–15 mm;

anthers linear, 2.5–4 mm.

divaricate to ascending, stout, narrower than fruit, 5–17(–22) mm.

usually ascending, rarely spreading, narrowly linear, straight or curved upward, not or, rarely, slightly torulose, (3.8–)4–11(–14) cm × 2–4 mm, latiseptate, not striped;

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

ovules 32–64 per ovary;

style cylindrical, slender, 0.5–3.5 mm, sparsely pubescent;

stigma 2-lobed, lobes as long as wide.

oblong, 2–3.5(–4) × 1.2–2.2(–2.5) mm;

wing distal, present on 1 or both margins.

of leaves 2-rayed mixed with 3(–5)-rayed ones.

= 36.