Flora of North America species comparison

decumbent or trailing;

branches yellow-brown, gray-brown, or red-brown, (often weakly glaucous, dull or slightly glossy), glabrous;

branchlets yellow-green or yellow-brown, usually glabrous, sometimes pilose to glabrescent.

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

petiole convex to flat adaxially, 4–15 mm, tomentose adaxially;

largest medial blade elliptic, broadly elliptic, oblanceolate, or obovate, 65–105 × 22–52 mm, 2–3 times as long as wide, base convex or cuneate, margins slightly revolute, entire, crenate, or sinuate, (glands submarginal), apex acuminate or convex, abaxial surface glaucous, tomentose, hairs erect or spreading, curly, adaxial dull or slightly glossy, pubescent or tomentose;

proximal blade margins entire;

juvenile blade yellowish green, sparsely to densely tomentose abaxially, hairs white.

stipules absent or rudimentary;

petiole 2–13 mm (longer than subtended bud);

largest medial blade usually amphistomatous, very narrowly to broadly elliptic, oblanceolate, or obovate, 19–44 × 7–21 mm, 1.5–4.6 times as long as wide, base cuneate or convex, margins flat, entire, apex acute, acuminate, convex, or rounded, abaxial surface pilose to glabrescent, hairs wavy, adaxial dull or slightly glossy, pilose or sparsely villous to glabrescent;

proximal blade margins entire;

juvenile blade villous or pilose abaxially, mainly on margin.

adaxial nectary oblong or ovate, 0.5–1 mm;

filaments distinct, glabrous or hairy basally;

anthers yellow or purple turning yellow, ellipsoid or shortly cylindrical, 0.7–1 mm.

abaxial nectary 0–0.2 mm, adaxial nectary oblong, narrowly oblong, or square, 0.4–1.2 mm, nectaries distinct;

filaments distinct or connate less than 1/2 their lengths;

anthers ellipsoid, short-cylindric, or globose, 0.4–0.8 mm.

adaxial nectary oblong or square, 0.4–1 mm, shorter than stipe;

stipe 1.2–2.7 mm;

ovary pyriform, long-silky, beak slightly bulged below styles;

ovules 12 per ovary;

styles 0.2–0.5 mm;

stigmas slenderly or broadly cylindrical, 0.3–0.6 mm.

adaxial nectary oblong, square, narrowly oblong, or ovate, 0.5–1.2 mm, equal to or longer than stipe;

stipe 0.2–0.8 mm;

ovary pyriform or obturbinate, sparsely to densely villous, beak gradually tapering to styles;

ovules 6–12 per ovary;

styles 0.4–1.6 mm;

stigmas flat, abaxially non-papillate with rounded or pointed tip, or broadly to slenderly cylindrical, 0.28–0.36–0.6 mm.

5–5.6 mm.

3.6–5 mm.

flowering before leaves emerge; staminate stout or subglobose, 26–39 × 12–26 mm, flowering branchlet 0–5 mm; pistillate densely flowered, stout or subglobose, 27–54(–75 in fruit) × 4–15 mm, flowering branchlet 1–5(–10) mm;

floral bract dark brown, black, or bicolor, 2–3 mm, apex acute or convex, abaxially hairy, hairs straight.

staminate (ca. 50 flowers), 18–32 × 6–13 mm, flowering branchlet 3–13 mm; pistillate moderately densely to loosely flowered, (18–80 flowers), slender or stout, 18–59(–70 in fruit) × 6–15 mm, flowering branchlet 2–40 mm;

floral bract tawny or brown, 0.5–3.6 mm, apex acute or rounded, entire or 2-fid, abaxially hairy or ciliate, hairs straight or wavy.

= 76.

= 76.