Flora of North America species comparison

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

erect, unbranched or branched distally, (0.6–)1.2–6.5(–8) dm.

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

(often withered by fruiting);

blade oblanceolate, 2–10 cm × (0.2–)0.5–1.5(–2.4) mm, base attenuate, margins dentate, apex acute.

(distal) sessile or short-petiolate;

blade margins entire or dentate.

(distal) sessile;

blade margins entire or denticulate.

elongated slightly in fruit.

considerably elongated in fruit.

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.

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

petals yellow, obovate to suborbicular, 13–22 × 4–9 mm, claw 8–15 mm, apex rounded;

median filaments 8–14 mm;

anthers linear, 2.5–4 mm.

horizontal to divaricate, slender, narrower than fruit, 4–15 mm.

horizontal to divaricate, slender, narrower than fruit, 5–16(–25) mm.

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.

widely spreading or divaricate, narrowly linear, usually straight, rarely curved upward, not torulose, (3–)5–12(–14) cm × 1.2–2.7 mm, 4-angled, strongly (longitudinally) 4-striped;

valves with prominent midvein and replum, densely pubescent outside, trichomes 2-rayed between midvein and replum, glabrous inside;

ovules 72–120 per ovary;

style cylindrical, slender, 1–4 mm, sparsely pubescent;

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

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

ovoid, (1–)1.3–2.3 × 0.7–1.2 mm; usually not winged, rarely winged distally.

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

of leaves 2- or 3-rayed.

= 36.

= 36.