Flora of North America species comparison

glabrous.

erect to ascending or decumbent.

decumbent.

1–8 cm;

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

cup-shaped;

sepals not accrescent, lanceolate to lanceolate-ovate, 7.5–8 mm, abaxially and adaxially glabrous;

petals oblong, 7.5–8.5 mm, apex obtuse (not emarginate);

filaments 4.2–4.7 mm;

anthers ± 1 mm, usually dehiscing introrsely;

style 3–3.5 mm.

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

3–5, tubercles broad-based, platelike cones.