Flora of North America species comparison

simple, 20–50 cm.

often branched, 25–45 cm.

in basal rosette and cauline, basal digitately 3-lobed, segments again lobed, cauline (2–3), 3-foliolate or deeply lobed, reduced, similar to basal (except lobes longer);

stipules large, decurrent on petiole base;

petiole to 11 cm;

blade dark green or reddish green, orbiculate, (base hastate), surfaces densely hairy.

in basal rosette and cauline, basal 3-lobed, cauline (1–2), 3-lobed, reduced, more finely dissected than basal;

stipules small, not decurrent on petiole, (margins raggedly fimbriate);

petiole 4–8 cm;

blade dark green or reddish green, orbiculate, (base rounded), surfaces moderately hairy.

usually 1, (lax), nodding, 4–8-flowered racemes, simple.

1–3, (lax), erect, 2–11-flowered racemes, sometimes branched, (10–25 cm).

not exceeding length of hypanthium.

shorter than hypanthium, (flowers ± sessile).

deciduous if unfertilized, fragrant, horizontal;

hypanthium elongate-obconic, elongating in fruit, abruptly expanding, open at throat, (9–11 mm, length 3–4 times diam.);

sepals erect, triangular;

petals widely spreading, pink, obovate-rhombic, narrowly clawed, 3-lobed, 4–14 mm, ultimate margins entire;

ovary 1/2+ to ± entirely inferior;

styles included in fruit;

stigma papillae in narrow subapical band.

persistent, fragrant, pendulous;

hypanthium broadly campanulate, elongating slightly in fruit, throat not constricted, (length 2 times diam.);

sepals erect in bud, widely spreading after anthesis, triangular;

petals (partly included), spreading, white, ovate-elliptic, lamina tonguelike, narrowly clawed, palmately lobed, 3–7 mm, ultimate margins lacerate;

ovary superior;

styles well exserted in fruit;

stigma papillae apical.

0.6–0.7 mm, smooth or wrinkled.

0.6 mm, tuberculate (tubercles in 3–19 distinct rows, blunt).

= 28.