Flora of North America species comparison

erect, often branched distally, 0.5–3(–6.5) dm.

erect, unbranched, (0.1–)0.4–4dm.

(often withered by fruiting);

blade linear-oblanceolate, 2–11(–15) cm × (1.5–)2–6 mm, margins usually entire, rarely denticulate.

blade linear to narrowly linear-oblanceolate, 3–5 cm × 1–2 mm, base attenuate, margins entire or denticulate.

(distal) sessile;

blade margins entire.

blade reduced distally, often as bracts.

(simple or branched), considerably elongated in fruit.

(sometimes bracteate basally), elongated in fruit.

sepals linear-oblong, 8–13 mm, lateral pair saccate basally;

petals bright or pale yellow, obovate to broadly so, 14–22(–25) × 3–7.5 mm, claw 11–16 mm, apex rounded;

median filaments 10–14 mm;

anthers linear, 3–4 mm.

sepals oblong or narrowly so, 5–9 mm, lateral pair slightly saccate basally;

petals usually purple, rarely lilac, oblanceolate to broadly obovate, 10–20 × 3–5 mm, claw 5–9 mm, apex rounded;

median filaments 6–9 mm;

anthers narrowly oblong, 1–1.5 mm.

divaricate-ascending, slender, narrower than fruit, 4–11(–15) mm.

divaricate to ascending, slender, narrower than fruit, (4–)7–24(–35) mm.

ascending, narrowly linear, straight, not torulose, 3–12 cm × (2–)2.4–3.7 mm, strongly latiseptate, not striped;

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

ovules 34–46 per ovary;

style cylindrical, slender, (2–)2.5–5 mm, sparsely pubescent;

stigma entire.

erect to divaricate-ascending, narrowly linear, straight or curved inward, not torulose, (3–)5–11(–13) cm × 2–4 mm, latiseptate, not striped;

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

ovules (28–)36–74 per ovary;

style cylindrical, stout, 0.5–3 mm, sparsely pubescent;

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

ovoid, (2–)2.5–3.5 × 1.3–2.5 mm;

wing continuous distally, (0.3–0.8 mm wide).

oblong, 1.7–2.2 × 0.9–0.1.4 mm;

not winged.

of leaves 2- or 3-rayed.

of leaves 2-rayed.

= 36.

= 24, 36.