Flora of North America species comparison

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

erect, unbranched or branched distally, 0.2–2.5(–3.5) dm.

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

blade (fleshy or not), spatulate, 2–10 cm × 5–15 mm, base cuneate, margins dentate, entire, or lobed, apex obtuse.

(distal) sessile;

blade margins entire or denticulate.

(distal) sessile or short-petiolate;

blade margins entire or dentate.

elongated or not in fruit.

elongated slightly 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, 7–14 mm, lateral pair saccate basally;

petals yellow, usually suborbicular, rarely obovate, 15–30 × 6–14 mm, claw 10–15 mm, apex rounded;

median filaments 10–13 mm;

anthers linear, 3–4 mm.

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

horizontal to divaricate, slender, narrower than fruit, 4–15 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 or divaricate, linear, straight, not torulose, 3–14 cm × 2–4 mm, terete when green, becoming latiseptate when dry, not striped;

valves with obscure midvein, pubescent outside, trichomes (2 or) 3 or 4 (or 6)-rayed, glabrous inside;

ovules 32–74 per ovary;

style cylindrical, slender, 0.3–2 mm, sparsely pubescent;

stigma 2-lobed, lobes as long as wide.

ovoid, 1.2–1.7 × 0.8–1 mm;

not winged or wing apiculate.

oblong (compressed), 1.8–2.8(–3.5) × 1–2 mm; winged distally (wing narrow all around).

of leaves 2- or 3-rayed.

of leaves 2–5(–7)-rayed on adaxial leaf surface.

= 81.

= 36.