Flora of North America species comparison

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

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 densely pubescent.

considerably elongated in fruit.

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.

ascending to divaricate, straight, 6–15 mm.

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

= 14.