Flora of North America species comparison

deciduous or persistent;

petiole 1.5–6 mm, usually glabrous, sometimes hairy at base;

blade (lustrous dark green adaxially), broadly elliptic, oblanceolate, or spatulate, 9–52 × 3.5–25 mm, base attenuate to cuneate, margins plane, apex rounded to obtuse, sometimes retuse, abaxial surface glabrous or sparsely villous along midrib or villous across blade (hairs tawny), venation visible, adaxial surface glabrous or sparsely villous along midrib, midrib flat, marginal vein absent.

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.

4–20-flowered.

7–40-flowered.

2–16 mm, usually glabrous, rarely strigose.

2–10 mm, glabrous.

calyx 1.5–2.4 mm diam.;

sepals 5(–6), 1.4–2.1 × 1–1.3 mm, usually glabrous, rarely strigose;

petals 5, white, median segment broadly ovate, 1.1–1.3 mm, lateral segments lanceolate to falcate, 1.1–1.3 mm;

stamens 5, 2.3–2.7 mm;

staminodes broadly lanceolate, 1.1–1.3 mm, erose;

anthers lanceolate to sagittate, 0.9–1.2 mm;

pistil (4–)5-carpellate;

ovary (4–)5-locular, 1–1.3 mm, sparsely to densely strigose;

style 0.7–1.2 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.

purplish black, ellipsoid to subglobose, 4–9 mm, glabrous or glabrate.

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

3–7 mm.

6.5–9 mm.