Flora of North America species comparison

erect, branched distally, 1–5.5(–7) dm.

decumbent, branched basally and distally, (0.5–)1–2.5 dm.

absent.

(of sterile shoots) sessile;

blade linear-oblanceolate, 1–3(–5) cm × 2–5 mm.

petiolate or (distal) sessile;

blade linear-oblanceolate, 2–5(–6.5) cm, margins entire or subentire.

(of flowering shoots) similar to basal, blade smaller, margins entire.

not elongated in fruit.

slightly elongated in fruit.

sepals oblong, 3–5.5 mm;

petals white or pink to purple, abaxial pair 10–16 × 5–7 mm, adaxial pair 6–10 × 2–5 mm.

sepals oblong or ovate, 2–4 mm;

petals white or sometimes pink, abaxial pair 5–13 × 2–7 mm, adaxial pair 3–6 × 1–3 mm.

divaricate to ascending, 4–10(–12) mm.

divaricate-ascending, 4–11 mm.

ovate, (7–)8–10.5 × 5–8 mm, apically notched;

valves extending into subacuminate wing;

style 2–4.5 mm, included or exserted beyond apical notch.

suborbicular to broadly ovate, 6–8 × 5–6 mm, apically notched;

valves extending into subacute wing;

style 1–3 mm, exserted beyond apical notch.

narrowly winged, 2–3 mm.

narrowly winged, 2–3 mm.

= 22.