Flora of North America species comparison

erect, unbranched or branched (few to several) basally, 0.4–6.5 dm.

erect, unbranched or branched basally, (0.4–)1.5–4.5(–7) dm.

blade spatulate to broadly oblanceolate, 2.5–7 cm × 3–10 mm, base attenuate, margins dentate or subentire, apex often obtuse, (surfaces pubescent adaxially, trichomes 2 or 3–5-rayed).

(often withered by fruiting), similar to cauline.

(distal) sessile;

blade margins often entire.

(proximal and median) petiolate and (distal) sessile, (petiole (0.3–)0.5–2(–3) cm);

blade [linear, narrowly oblanceolate, elliptic, or oblong, (1–)2–8(–11) cm × (2–)5–12(–17) mm, base attenuate], margins sinuate or coarsely dentate to denticulate or repand, (distal) entire or denticulate, (apex acute).

considerably elongated in fruit.

considerably elongated in fruit.

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

petals yellow, broadly obovate to suborbicular, 15–22 × 3.5–6 mm, claw 8–14 mm, apex rounded;

median filaments 7–14 mm;

anthers linear, 3–4 mm.

sepals linear-oblong, 4–6 mm, lateral pair not saccate basally;

petals yellow, narrowly oblanceolate to spatulate, 6–8 × 1.5–2 mm, claw 3–6 mm, apex rounded;

median filaments 4–6 mm;

anthers narrowly oblong, 0.8–1.3 mm.

divaricate-ascending, slender, narrower than fruit, 4–12 mm.

divaricate, stout, as wide as fruit, 2–4(–6) mm.

erect to ascending, narrowly linear, straight, torulose, 3.8–14 cm × 1.2–3 mm, latiseptate, not striped;

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

ovules 26–44 per ovary;

style cylindrical, slender, (1.5–)2–5.5 mm, sparsely pubescent;

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

widely spreading to divaricate-ascending, narrowly linear, straight or curved upward, somewhat torulose, (2–)3–8(–10) cm × 1.5–2 mm, 4-angled, not striped;

valves with prominent midvein, pubescent outside, trichomes 2-rayed and, fewer, 3-rayed, often glabrous, sometimes pubescent inside;

ovules (40–)50–80(–90) per ovary;

style cylindrical or subclavate, stout, 1–4 mm, sparsely pubescent;

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

ovoid, 2–3.4 × 1–2 mm;

not winged or, rarely, winged distally.

oblong, 1.1–1.5 × 0.6–0.7 mm;

not winged or, rarely, winged distally.

of leaves 2–5-rayed.

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

= 36.

= 16.