Flora of North America species comparison

decumbent or trailing;

branches yellow-brown, glabrous;

branchlets red-brown, gray-brown, or yellow-brown, glabrous.

stipules absent, rudimentary, or foliaceous on early ones, foliaceous on late ones, (1–16 mm), apex acute or acuminate;

petiole convex to flat adaxially, 2–13 mm, velvety or villous adaxially;

largest medial blade usually oblanceolate, sometimes narrowly elliptic, elliptic or obovate, 29–100 × 9–37 mm, 1.7–3.9 times as long as wide, base cuneate or convex, margins strongly to slightly revolute or flat, entire, remotely serrate, crenate, or sinuate, (glands submarginal or epilaminal), apex acuminate, convex, or rounded, abaxial surface glaucous, sparsely to densely short- to long-silky or woolly, hairs (white, sometimes also ferruginous), wavy or straight, adaxial slightly glossy, pilose or moderately densely short-silky, midrib velutinous or villous, (hairs white, sometimes also ferruginous);

proximal blade margins entire, serrulate, or crenulate;

juvenile blade reddish or yellowish green, sparsely to densely villous, short- or long-silky abaxially, hairs white, sometimes also ferruginous.

stipules absent or rudimentary;

petiole 2–5.6(–6.4) mm;

largest medial blade hypostomatous, narrowly oblong, oblong, obovate, or broadly obovate, (14–)17–27(–45) × 7–21 mm, 1.4–2.5 times as long as wide, base cuneate or convex, margins slightly revolute or flat, entire, or serrulate to crenate proximally, (glands marginal), apex convex, acuminate, or rounded, abaxial surface glaucous, glabrous, adaxial slightly or highly glossy, glabrous;

proximal blade margins entire, (sometimes hairs ferruginous abaxially);

juvenile blade glabrous.

adaxial nectary oblong or square, 0.4–0.9 mm;

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

anthers purple turning yellow, ellipsoid to shortly cylindrical, 0.7–1.2 mm.

abaxial nectary absent, adaxial nectary oblong, 0.5–0.8 mm;

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

anthers ellipsoid or shortly cylindrical, 0.3–0.4 mm.

adaxial nectary oblong or square, 0.2–0.8 mm, shorter than stipe;

stipe 0.8–2.3 mm;

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

ovules 10–18 per ovary;

styles 0.2–0.6 mm;

stigmas slenderly cylindrical, 0.4–0.82–1.04 mm.

abaxial nectary absent, adaxial nectary oblong, 0.4–0.9 mm, shorter than stipe;

stipe 0.8–2.5 mm;

ovary obclavate, pubescent or short-silky to glabrescent, hairs (often ferruginous), flattened or ribbonlike, beak abruptly tapering to styles;

ovules 8–12 per ovary;

styles connate or distinct distally, 0.1–0.4(–0.65) mm;

stigmas slenderly or broadly cylindrical, 0.24–0.3–0.68 mm.

4.5–11 mm.

5.5–8 mm.

flowering before leaves emerge; staminate stout or subglobose, 18–40.5 × 8–22 mm, flowering branchlet 0–4 mm; pistillate very densely flowered, slender or stout, 18–60(–90 in fruit) × 10–22 mm, flowering branchlet 0–8 mm;

floral bract brown, black, or bicolor, 1.5–4.5 mm, apex rounded or acute, abaxially hairy, hairs straight.

staminate 8–58 × 5–19 mm, flowering branchlet 0.5–15 mm; pistillate moderately densely to loosely flowered, slender, stout, or subglobose, 13.5–64(–70 in fruit) × 6.5–15 mm, flowering branchlet 4–18 mm;

floral bract brown or bicolor, 0.8–1.6 mm, apex rounded, entire, abaxially sparsely hairy, hairs (usually white, sometimes also ferruginous), wavy or straight.

= 76.

= 38.