Flora of North America species comparison

20–60 cm.

2–15(–25) cm.

basal 1–2 per node on rhizomes;

petiole 8–22 cm;

blade (of larger leaves) ovate to suborbiculate, 20–75 × 15–70 mm, longer than to ca. as long as wide, base rounded to subcordate, apex obtuse;

cauline on proximal 1/2 of stem or absent.

basal in rosettes;

petiole 0.2–1(–2) cm;

blade (of larger leaves) deltate-ovate to rhombic-ovate 3.5–12(–30) × 4–10(–25) mm, base cordate to cuneate, apex acute to obtuse;

cauline on proximal 1/2 of stem or absent.

sepals reflexed in fruit, oblong to oblong-elliptic, 3.5–5 mm, margins hyaline, 0.2 mm wide, entire, apex obtuse;

petals 7–12-veined, broadly ovate, 14–20 × 9–12 mm, length 3–4 times sepals, base rounded, margins entire or undulate;

stamens 7–11 mm;

anthers 1.8–3 mm;

staminodes 3-fid almost to base, gland-tipped, 9–14 mm, longer than stamens, apical glands lanceolate, 1–1.7 mm;

ovary white.

sepals spreading in fruit, oblong-lanceolate to oblanceolate, 4–8 mm, margins not hyaline, entire, apex obtuse;

petals usually 3-veined, oblong to elliptic, 3–7 × 2–3 mm, length 0.8–1.3 times sepals, base rounded or cuneate, margins entire;

stamens 3–4.5 mm;

anthers 0.7–1 mm;

staminodes obovate, unlobed or divided distally into 3–5 gland-tipped filaments, 1.5–3 mm, shorter than stamens, apical glands suborbicular, 0.1–0.2 mm;

ovary green.

10–15 mm.

6–12 mm.

= 18, 36.