Flora of North America species comparison

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

erect, unbranched basally or branched proximally and/or distally, 4–12(–15) dm.

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.

petiole 0.5–3.7 cm;

blade pinnate, oblanceolate to obovate or ovate in outline, 1–6 cm, lateral lobes (2–5 pairs), oblanceolate to linear or narrowly lanceolate, (7–25 × 2–10 mm), margins usually entire or serrate, rarely incised, (apex obtuse).

sessile or shortly petiolate;

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

sessile or shortly petiolate;

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

considerably elongated in fruit.

considerably elongated in fruit.

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.

sepals spreading or sometimes ascending, greenish to yellowish, oblong, 1–2 mm, densely pubescent, (trichomes dendritic, sometimes mixed with glandular papillae);

petals oblanceolate, 1–2 × 0.5–0.7 mm (equaling or shorter than sepals);

median filaments 1.4–2 mm;

anthers 0.2–0.3 mm.

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

ascending to divaricate, straight, 6–15 mm.

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.

divaricate to suberect, linear, slightly torulose, 10–20(–23) × 0.7–1 mm, (acute at both ends);

valves each with distinct midvein, (sparsely to densely pubescent);

septum not veined;

ovules 16–40 per ovary;

style 0.1–0.2 mm, glabrous.

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

uniseriate or biseriate, light brown, oblong, 0.7–1.1 × 0.5–0.6 mm.

= 14.

= 14.