Flora of North America species comparison

(simple or few to many from base), usually erect to ascending, rarely subdecumbent, (slender), (0.5–)0.8–2.7(–3.5) dm.

not rosulate;

petiole 0.5–1 cm;

blade margins 1-pinnatisect, (1–)2.5–7(–10) cm;

lobes (3–)6–12(–18) on each side, (smaller than terminal), linear to oblong or ovate, (1–)2–10 × 0.5–1(–2.5) mm, margins entire or coarsely dentate.

(and bracts) similar to basal, smaller distally.

sepals spreading to ascending, oblong-linear, (3.5–)5–7 × 1–1.5 mm, apex appendage not developed;

petals spatulate, (8–)10–13 × 3–4.5 mm, apex rounded;

median filament pairs 5–7(–8) mm, not dilated basally;

anthers oblong, 1–1.5 mm;

gynophore (0.5–)1–2(–5) mm, or, rarely, obsolete.

from racemes, (6–)10–22(–30) mm, (slender).

usually oblong to elliptical, rarely suborbicular, usually latiseptate, rarely inflated, (0.5–)1–2.5(–3) cm × (3.5–)5–8(–11) mm, (not fleshy, thin-papery), base and apex acute;

valves faintly reticulate-veined;

replum flattened;

septum complete or perforated;

ovules (8–)10–20 per ovary;

style 3–9(–12) mm, slender or flattened basally.

3–4 mm diam.;

wing 0.5–1 mm.

= 46, 138.