Flora of North America species comparison

erect, usually branched basally or slightly distally, rarely unbranched, (0.7–)0.9–3.2(–4.5) dm.

erect, unbranched basally, branched distally, (1.3–)2–10.5(–13.5) dm.

petiole 0.5–1.5 cm;

blade pinnate, ovate or oblong in outline, 0.8–2.5 cm, lateral lobe (2–5 pairs), margins dentate or entire.

petiole 0.4–4.2 cm;

blade pinnate, oblanceolate to obovate in outline, 1.5–6 cm, lateral lobes [2–4 (or 5) pairs], lanceolate, (5–22 × 1–5 mm), margins usually entire or crenate to incised, rarely lobed.

sessile or shortly petiolate;

blade smaller distally, distal lobes often narrower, sparsely to moderately pubescent.

sessile or shortly petiolate;

blade smaller distally, distal lobes often narrower, surfaces sparsely pubescent.

considerably elongated in fruit.

considerably elongated in fruit.

sepals ascending, yellowish, oblong, 0.7–1.2 mm, pubescent;

petals narrowly oblanceolate, 0.8–1.2 × 0.2–0.4 mm;

median filaments 1–1.5 mm;

anthers 0.1–0.2 mm.

sepals spreading, yellowish, oblong, 0.9–1.5 mm, glabrous;

petals oblanceolate, 1.1–1.8 × 0.4–0.6 mm;

median filaments 0.8–1.4 mm;

anthers 0.3–0.4 mm.

divaricate-ascending (often at 20–45º angle), straight, (1.5–)2.5–7(–10) mm.

divaricate to ascending or suberect, often straight, 3–9(–11) mm.

erect or ascending, linear, not or slightly torulose, (0.4–)5–8(–10) × 0.7–1 mm;

valves each with distinct midvein;

septum not veined;

ovules 6–12 per ovary;

style 0.1–0.2 mm, glabrous.

divaricate to erect, fusiform, not torulose, (2–)3–5(–6) × (0.8–)1–1.3 mm, (long-acute at both ends);

valves each with obscure midvein;

septum not veined;

ovules 4–12 per ovary;

style (0.2–)0.3–0.6(–0.8) mm, glabrous.

uniseriate, brown, oblong, 0.6–0.8 × 0.4–0.5 mm.

uniseriate, light brown, ellipsoid, 1–1.4 × 0.6–0.8 mm.

= 14.

= 14.