Flora of North America species comparison

erect, unbranched or sometimes branched distally, (0.5–)1.5–11(–18) dm.

erect, branched basally and distally, (often purplish), (1–)1.5–3.2(–4.1) dm.

petiole 0.5–5 cm;

blade pinnate or, sometimes, 2-pinnate, broadly oblanceolate to ovate in outline, 2.5–11.4(–15.2) cm, lateral lobes lanceolate, (to 10 × 4 mm), margins incised.

(soon withered);

petiole 0.3–1.3 cm;

blade pinnate, oblanceolate to obovate in outline, 1.5–3 cm, lateral lobes oblong to linear or lanceolate, (1–5 × 0.3–1 mm), margins entire or dentate.

sessile or shortly petiolate;

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

sessile;

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

elongated or not in fruit, (flowers overtopped by developing fruits).

considerably elongated in fruit.

sepals erect, yellowish, oblong, 1.6–2.7 mm, glabrous;

petals narrowly oblanceolate, 2–2.5 × 0.3–0.6 mm;

median filaments 2.5–3.5 mm;

anthers 0.3–0.4 mm.

sepals spreading to ascending, pale yellow, oblong, 0.8–1.2 mm, pubescent;

petals oblanceolate, 0.9–1.3 × 0.2–0.5 mm;

median filaments 0.8–1.2 mm;

anthers 0.1–0.2 mm.

divaricate to ascending, (often recurved in age), slender, (3–)4–9(–13) mm.

divaricate to ascending, straight, 2.5–7(–9) mm.

erect to widely spreading, narrowly linear, slightly torulose, (9–)14–30(–34) × 0.6–1.1 mm, (usually terete, rarely slightly flattened, often curved inward);

valves each with obscure midvein;

septum not veined;

ovules 30–62 per ovary;

style obsolete, 0.07–0.3 mm, glabrous.

divaricate to erect, usually obovoid to clavate, rarely broadly ellipsoid, not torulose, 2–5 × 1–2 mm, (acute basally, obtuse apically);

valves each with obscure midvein;

septum not veined;

ovules 4–10 per ovary;

style 0.05–0.3 mm, glabrous.

uniseriate, light brown, narrowly oblong, 1–1.5 × 0.3–0.5 mm.

uniseriate or biseriate, brown, oblong, 0.8–1.2 × 0.5–0.6 mm.

= 14.