Flora of North America species comparison

erect to ascending or decumbent.

erect or ascending.

1–8 cm;

leaflets 5–11, blade linear to ovate-elliptic, margins entire, irregularly toothed, or lobed.

3–10 cm;

leaflets 3–9, blade elliptic to ovate, margins usually entire (rarely 2- or 3-lobed).

urn-, cup-, or bell-shaped;

sepals accrescent or not, ovate, obovate, lanceolate, oblong-lanceolate, or lanceolate-ovate, 4–10 mm;

petals white, obovate, oblong, or obovate-cuneate, 4.5–10 mm, 1.6–1.8 times as long as wide, 0.5–1.1 times longer than sepals, apex retuse, obtuse, erose, truncate, or emarginate;

filaments 2–7 mm;

anthers (yellow) 0.4–1.5 mm;

style 1.5–4 mm.

funnel- to bell-shaped;

sepals lanceolate, 5–7 mm;

petals pale yellow with white tips, cuneate, 7–9 mm, apex truncate, erose;

filaments 2.5–4 mm;

anthers cream, 0.5 mm;

style 2–3 mm.

dark brown or gray, 3–4.5 mm, tuberculate, tubercles straw-colored, platelike, conic, or awl-shaped.

dark brown, 3–3.5 mm, tuberculate, tubercles light brown or pinkish, rounded.

= 10.