Flora of North America species comparison

stipules absent or rudimentary on early ones, rudimentary or foliaceous on late ones, apex rounded;

petiole deeply to shallowly grooved adaxially, 5–15 mm, with pairs or clusters of spherical glands distally or throughout, glabrous adaxially;

largest medial blade hypostomatous, narrowly elliptic, elliptic, or lanceolate, 50–135 × 20–50 mm, 2–4 times as long as wide, base convex, margins slightly revolute or flat, serrulate, apex acuminate, abaxial surface pale not glaucous, glabrous, adaxial highly glossy, glabrous;

proximal blade margins entire or serrulate;

juvenile blade reddish, glabrous abaxially.

stipules foliaceous, apex acute;

petiole convex to flat, or shallowly grooved adaxially, 3–8–17 mm, pilose or villous adaxially;

largest medial blade narrowly oblong, oblong, or elliptic, 21–57–99 × 6–20–37 mm, 1.9–2.9–5 times as long as wide, base rounded, convex, subcordate, or cordate, margins flat or slightly revolute, entire or serrulate (with relatively short, slender teeth), apex acuminate, acute, or convex, abaxial surface not glaucous, pilose, short-silky, or densely woolly-tomentose to glabrescent, hairs wavy, adaxial dull or slightly glossy, sparsely to densely silky-tomentose, midrib remaining hairy;

proximal blade margins entire or serrulate;

juvenile blade yellowish green, very densely long-silky or woolly abaxially, hairs white (sometimes yellowish).

abaxial nectary 0.6–1.7 mm, adaxial nectary square, ovate, or oblong, 0.5–1.5 mm, nectaries distinct or ± connate and cup-shaped;

stamens 4–10;

filaments distinct, hairy on proximal 1/2;

anthers ellipsoid or globose, 0.5–0.6 mm.

adaxial nectary narrowly oblong to oblong, 0.5–1.1 mm;

filaments distinct, glabrous or hairy basally;

anthers yellow or purple turning yellow, 0.5–0.9 mm.

(abaxial nectary present or absent), adaxial nectary oblong, square, or ovate, 0.4–0.8 mm, (nectaries distinct or connate and shallowly cup-shaped), shorter than or equal to stipe;

stipe 0.5–1.6 mm;

ovary pyriform, beak bulged below or tapering to styles;

ovules 18–22 per ovary;

styles connate or distinct, 0.4–0.6 mm;

stigmas flat, abaxially non-papillate with rounded tip, or slenderly cylindrical, 0.4–0.6 mm.

adaxial nectary narrowly oblong to oblong, 0.5–1.1 mm, longer than or equal to stipe;

stipe 0.2–1.6 mm;

ovary pyriform, short- or long-silky to glabrescent, beak gradually tapering to or slightly bulged below styles;

ovules 12–16 per ovary;

styles 0.5–1.5 mm;

stigmas flat, abaxially non-papillate with rounded tip, slenderly or broadly cylindrical, or 2 plump lobes, 0.18–0.39–0.76 mm (evidentially two size classes).

6–9 mm.

4–10 mm.

staminate 27–81 × 9–13 mm, flowering branchlet 9–21 mm; pistillate moderately to densely flowered, slender or stout, 29–68 × 7–15 mm, flowering branchlet 9–42 mm;

floral bract 2–4 mm, apex acute or rounded to truncate, entire or toothed, abaxially sparsely hairy (mainly proximally), hairs wavy or straight.

flowering as leaves emerge; staminate stout or subglobose, 9.5–36.5 × 7–15 mm, flowering branchlet 1.5–7 mm; pistillate densely or moderately densely flowered, stout or subglobose, 11–51 × 8–16 mm, flowering branchlet 2–12 mm;

floral bract brown or black, 1.4–2.8 mm, apex rounded or acute, abaxially hairy, hairs straight or wavy.

= 76.

= 76.