Flora of North America species comparison

branches divaricate, sometimes ± brittle at base, yellow-brown to dark red-brown, not or weakly glaucous, pilose to glabrescent, peeled wood often with very dense striae, to 25 mm;

branchlets yellow-green or red-brown, moderately to very densely villous to glabrescent.

stipules rudimentary or absent on early ones, apex acute, acuminate, or convex;

petiole convex to flat adaxially, 2–5.5–13 mm, pubescent adaxially;

largest medial blade narrowly oblong, narrowly elliptic, elliptic, oblanceolate, or obovate, 20–44–87 × 10–16–45 mm, base cuneate, convex, or rounded, margins flat, entire, crenate, or irregularly serrate, glands submarginal, apex acute, acuminate, or convex, abaxial surface glaucous, moderately densely pubescent or long-silky to glabrescent, hairs white or gray, wavy, adaxial finely impressed-reticulate, dull or slightly glossy, moderately densely pubescent, sparsely short-silky, or glabrescent, hairs white or gray;

proximal blade margins entire, gland-dotted;

juvenile blade yellowish green or reddish, pilose or sparsely to moderately densely tomentose or long-silky abaxially, hairs white.

stipules foliaceous, apex acute or convex;

petiole convex to flat adaxially, 2–9 mm, velvety adaxially;

largest medial blade obovate, broadly obovate, or elliptic, 27–85 × 14–35 mm, 1.5–2.8 times as long as wide, base convex or cuneate, margins slightly revolute, entire, remotely or irregularly serrate, or crenate, (glands submarginal), apex acuminate or convex, abaxial surface glaucous, pubescent or pilose, hairs (white, sometimes also ferruginous) spreading or erect, wavy or crinkled, adaxial dull or slightly glossy, pubescent or pilose to glabrescent, veins more hairy, (hairs white, sometimes also ferruginous);

proximal blade margins entire;

juvenile blade reddish or yellowish green, densely tomentose to glabrescent abaxially, hairs white.

adaxial nectary oblong or ovate, 0.3–0.8 mm;

filaments distinct or connate less than 1/2 their lengths, glabrous or hairy on proximal 1/2;

anthers yellow or purple turning yellow, ellipsoid or shortly cylindrical, 0.5–0.8 mm.

adaxial nectary oblong or square, 0.3–0.7 mm;

filaments distinct, glabrous or hairy on proximal 1/2 or basally;

anthers purple turning yellow, ellipsoid or shortly cylindrical, 0.5–0.8 mm.

adaxial nectary oblong or square, 0.3–0.8 mm;

ovary obclavate, beak slightly bulged below styles (long-beaked);

ovules 6–16 per ovary;

styles 0.1–0.4 mm;

stigmas slenderly to broadly cylindrical.

adaxial nectary oblong or square, 0.3–0.7 mm, shorter than stipe;

stipe 1.4–2.6 mm;

ovary pyriform, densely short-silky, hairs wavy or crinkled, beak sometimes slightly bulged below styles (long-beaked);

ovules 10–12 per ovary;

styles 0–0.3 mm;

stigmas broadly cylindrical, 0.25–0.37–0.5 mm.

5–9 mm.

4–13 mm.

staminate flowering just before leaves emerge, pistillate flowering as leaves emerge; staminate stout to globose, 10–42 × 7–16 mm, flowering branchlet 0.5–11 mm; pistillate loosely flowered, stout, slender, or subglobose, 16.5–85 × 9–32 mm, flowering branchlet 1–26 mm;

floral bract tawny, 1.2–3.2 mm, apex rounded, abaxially hairy to glabrescent, hairs straight or wavy.

flowering before leaves emerge; staminate subglobose or globose, 15.5–21.5 × 10–15 mm, flowering branchlet 0.5–4 mm; pistillate loosely to moderately densely flowered, 15–37 × 9–20, flowering branchlet 2.5–7 mm;

floral bract brown, tawny, or bicolor, 1–2.2 mm, apex acute or tapering and rounded, abaxially hairy, hairs straight.

= 38.

= 76, 38.