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 3–14 mm, glabrous;

blade (dull to lustrous dark green adaxially), elliptic to ovate or oblanceolate, 30–122 × 13–50 mm, base acute to attenuate, margins plane, apex usually acute to acuminate, sometimes rounded, surfaces glabrous or sometimes glabrate abaxially, venation visible, midrib villous (hairs white), slightly raised, marginal vein absent.

4–12-flowered.

7–40-flowered.

3–6 mm, glabrous.

2–10 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 1.3–3.1 mm diam., sepals 5(–6), 1.6–2.4 × 0.8–1.9 mm, glabrous;

petals 5(–6), white, median segment elliptic to ovate, 1.8–2 mm, lateral segments falcate, 1.1–1.7 mm;

stamens 5(–6), 2.7–2.9 mm;

staminodes lanceolate, 1.5–2 mm, entire;

anthers sagittate-lanceolate, 1.3–1.5 mm;

pistil (4–)5(–6)-carpellate;

ovary (4–)5(–6)-locular, 1–1.2 mm, glabrous or pilose to hirsute;

style 1.2–1.3 mm.

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

purplish black, ellipsoid to subglobose, 9–16 mm, glabrous or glabrate.

6–11 mm.

6.5–9 mm.