Flora of North America species comparison

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

erect, usually unbranched basally, branched distally or sometimes throughout, (1.3–)2–8.2(–10.7) 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.

petiole 0.5–4.7 cm;

blade pinnate, obovate to oblanceolate in outline, 1.5–10.3 cm, lateral lobes (2–9 pairs), ovate or oblong to lanceolate or linear, margins usually dentate to incised or entire, rarely pinnatifid or crenate.

sessile or shortly petiolate;

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

sessile or shortly petiolate;

blade smaller distally, distal lobes oblong, lanceolate, linear, (margins dentate to denticulate or entire), surfaces pubescent or glabrous.

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

considerably elongated in fruit, (glandular or eglandular).

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 erect to ascending, yellowish, oblong to ovate, 1.6–2.4 mm, glabrous or pubescent;

petals narrowly oblanceolate, 1.7–2.8 × 0.5–0.9 mm;

median filaments 1.6–2.4 mm;

anthers 0.3–0.4 mm.

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

ascending to divaricate or horizontal, straight, (3–)5–25(–30) 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.

erect to ascending, linear, slightly torulose, 8–20 × 0.9–1.3 mm, (straight or slightly to strongly curved inward);

valves each not veined or with distinct midvein;

septum not veined;

ovules 14–26 per ovary;

style 0.1–0.3 mm, glabrous.

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

uniseriate, reddish brown, oblong, 0.9–1.3 × 0.5–0.6 mm.

= 14.