Flora of North America species comparison

erect, usually leafless, rarely with 1–2 leafy bracts, 10–70 cm, short to long glandular-stipitate.

in basal rosette and, sometimes, cauline, simple or 3-foliolate;

stipules present;

petiole short to long stipitate-glandular (hairs usually denser distally, gland-tipped);

blade cordate or broadly ovate, lobed, base cordate, margins crenate to dentate, apex acute, abaxial surface stipitate-glandular along veins, adaxial surface stipitate-glandular, sometimes appressed, hairs uniformly scattered;

venation palmate.

racemes (sometimes with paniculate branches at base) or panicles, terminal from axillary buds in rosette, 15–70-flowered, bracteate.

radially symmetric or somewhat bilaterally symmetric;

hypanthium barely adnate to ovary proximally, 0.2–0.9 mm free from ovary, white or pinkish, (campanulate);

sepals 5, whitish or pinkish, (ovate to lanceolate, apex acute or obtuse, glandular-stipitate abaxially, glabrous adaxially);

petals 5, white or pinkish to purplish;

nectary disc absent or inconspicuous;

stamens 10;

filaments linear;

ovary superior, 1-locular, carpels connate, unequal;

placentation parietal;

styles 2, (tapering);

stigmas 2.

2-winged (beaked), unequally valvate, abaxial carpel 1.5–2 times longer than adaxial carpel, (papery, each wing 5–10-veined).

black, shiny, ellipsoid or ovoid, (base truncate), puncticulate; (funicular appendage absent).

= 7.