Flora of North America species comparison

1–50, rhizomatous or suckering and forming scattered colonies.

mostly or fully unfolded;

petiole (3–)6–13(–22) mm;

blade suborbiculate to oval or obovate, (14–)21–36(–63) × (9–)16–32(–54) mm, base usually rounded to subcordate, sometimes cuneate, each margin with 0–3(–6) teeth on proximal 1/2 and (0–)3–5(–7) teeth in distalmost cm, largest teeth more than 1 mm, apex usually rounded to truncate or emarginate, sometimes acute and mucronate, abaxial surface moderately (sparsely or densely) hairy by flowering, sparsely to moderately hairy later, adaxial glabrous or sparsely (moderately) hairy later.

partly to fully unfolded;

petiole (5–)9.3–16.7(–24) mm;

blade elliptic or oblong to ovate or obovate, (20–)31–47(–62) × (12–)21–35(–45) cm, base rounded to cordate, each margin with (0 or)1–6(–13) teeth on proximal 1/2 and (0–)3–6(–9) teeth in distalmost cm, largest teeth more than 1 mm, apex broadly subacute to rounded and mucronate, abaxial surface densely hairy by flowering, surfaces sparsely (moderately) hairy (or glabrous) later.

(4–)6–10(–13)-flowered, (8–)16–30(–43) mm.

(5–)7–11(–14)-flowered, (12–)18–32(–51) mm.

(0 or)1 or 2(or 3) subtended by a leaf, proximalmost (2–)7–16(–25) mm.

(0 or)1(or 2) subtended by a leaf, proximalmost (4–)6–11(–16) mm.

sepals usually recurved after flowering, (1.6–)2.6–4.2(–6.5) mm;

petals oblanceolate to oblong, (4.9–)7.2–9.8(–14) × (1.6–)2.6–3.1(–5.3) mm;

stamens (9–)13–19(–20);

styles (2 or)3 or 4, (1.7–)2.3–3(–3.9) mm;

ovary apex moderately to densely hairy (or glabrous).

sepals spreading to recurved after flowering, (1–)1.6–2.7(–3.6) mm;

petals to ivory, obovate-oblong, (4.3–)5.9–8.7(–11.3) × (1.4–)2.3–3.9(–5) mm;

stamens (14–)18–21(–22);

styles (3–)5, (1.8–)2.3–3(–3.6) mm;

ovary apex densely hairy.

purplish black, 6–10 mm diam. 2n = 4x.

almost black, 6–8 mm diam. 2n = 2x, 3x, 4x.