Flora of North America species comparison

branched, (rarely bearing bulbils in place of flowers), 25–85 cm.

often branched, 25–45 cm.

in basal rosette and cauline, basal unlobed or 3–5-lobed, never deeply lobed, cauline (2–3+), alternate, often 3–4-lobed, much reduced, similar to basal, (rarely with axillary bulbils);

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

petiole usually to 25 cm;

blade green, orbiculate, surfaces 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.

1–3, erect, 3–5(–25)-flowered racemes, 2(–3)-branched, (10–85 cm).

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

equaling or shorter than hypanthium, (flowers long-pedicellate).

shorter than hypanthium, (flowers ± sessile).

persistent, fragrant, horizontal;

hypanthium narrowly campanulate with obtuse base, usually not elongating in fruit, throat open, (length 2 times diam.);

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

petals (completely exserted), widely spreading, white, ovate-elliptic, narrowly clawed, usually unlobed with serrations at base, sometimes 3–5-lobed, 4–7 mm, ultimate margins entire;

ovary to 1/2 inferior;

styles slightly exerted in fruit;

stigma papillae apical.

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.

0.3–5 mm, tuberculate (tubercles in 3–19 rows, spinelike).

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

= 14, 28, 35, 42.