Flora of North America species comparison

deciduous;

petiole 1–6.5 mm, glabrous;

blade (dark green adaxially), broadly elliptic, obovate, oblanceolate, or spatulate, 6–38 × 3–23 mm, base attenuate to cuneate, margins plane, apex rounded to obtuse, surfaces glabrous, tertiary and smaller veins not prominent (inconspicuously reticulate), midrib flat, marginal vein present.

deciduous;

petiole 14–51 mm, glabrous;

blade (yellow-green abaxially, lustrous dark green adaxially), elliptic to oblanceolate, 51–117 × 23–63 mm, base rounded, obtuse, or acute, margins slightly involute, undulate, apex rounded to obtuse, surfaces glabrous;

venation visible, midrib sunken, marginal vein present.

4–12-flowered.

6–12-flowered.

3–6 mm, glabrous.

4–10 mm, glabrous.

calyx 1.8–3 mm diam.;

sepals 5, 1.7–3 × 0.9–1.9 mm, glabrous;

petals 5(–6), white to yellowish, median segment elliptic, 1.9–2.3 mm, lateral segments lanceolate, 1.3–2.3 mm;

stamens 5(–6), 2.2–2.9 mm;

staminodes lanceolate, 1.7–2.1 mm, minutely erose;

anthers lanceolate, 0.7–1 mm;

pistil 5-carpellate;

ovary 5-locular, 0.9–1.3 mm, hirsute to strigose basally;

style 2.2–2.8 mm.

calyx 4–5 mm diam.;

sepals 5, 1.7–1.9 × 1.2–1.7 mm, glabrous abaxially;

petals 5, yellow, median segment elliptic to ovate, 1.8–2.5 mm, (lobed basally), lateral segments vestigial or absent;

stamens 5–6, 2.8–3.9 mm;

staminodes lanceolate, 1–2 mm, erose or toothed;

anthers lanceolate, 1.3–1.7 mm;

pistil (4–)5(–6)-carpellate;

ovary (4–)5(–6)-locular, 1.2–1.4 mm, glabrous;

style 1.4–2 mm.

purple to purplish black, ellipsoid, 8–12 mm, glabrous.

yellow to orange, ellipsoid, [15–]17–21[–26] mm, glabrous.

6–11 mm.

13–20 mm.