Flora of North America species comparison

branches yellow-brown, gray-brown, or yellowish, not glaucous, glabrous or puberulent;

branchlets yellow-brown or yellowish (sometimes color obscured by hairs), glabrous, densely to sparsely villous, velvety, or puberulent.

(decumbent);

branches gray-brown, red-brown, or yellow-brown, not to strongly glaucous (dull or slightly glossy), pubescent;

branchlets gray-brown, red-brown, or yellow-brown, sparsely pubescent.

stipules (not adnate to petioles), rudimentary or absent on early ones, (late ones sometimes brownish, linear, 5.4–10.4 mm), apex acuminate;

petiole shallowly grooved adaxially, 4–13 mm, villous, puberulent, or velvety adaxially;

largest medial blade linear, lorate, narrowly oblong, or narrowly elliptic, 53–130 × 5–33 mm, base cuneate, margins strongly revolute, sinuate or apparently entire, (glands epilaminal), apex acuminate, acute, or convex, abaxial surface apparently glaucous (obscured by hairs), densely short-silky, woolly, or tomentose, (midribs prominent, yellowish, and hairy), hairs appressed, spreading or erect, straight or wavy, adaxial dull or slightly glossy, sparsely or moderately densely pubescent, hairs gray;

proximal blade margins entire;

juvenile blade yellowish green, very densely tomentose or short-silky abaxially, hairs white.

stipules rudimentary, foliaceous, or absent on early ones, foliaceous on late ones (0.2–1.8(–5) mm);

petiole deeply to shallowly grooved adaxially, 1.5–8 mm, glabrous or pubescent adaxially;

largest medial blade (sometimes amphistomatous), elliptic, narrowly elliptic, obovate, or broadly obovate, 17–74 × 8–30 mm, 1.2–4.5 times as long as wide, base cuneate, convex, or subcordate, margins flat, serrulate, crenulate, or sinuate, apex acute, convex, or acuminate, abaxial surface not glaucous, glabrous, adaxial slightly glossy, glabrous;

proximal blade margins crenate;

juvenile blade reddish or yellowish green, glabrous.

adaxial nectary narrowly oblong or oblong, 0.6–1.5 mm;

filaments distinct;

anthers purple turning yellow, ellipsoid to shortly cylindrical, 0.6–0.8 mm.

adaxial nectary oblong, ovate, or square, 0.2–0.34–0.4 mm;

filaments distinct, glabrous;

anthers purple turning yellow, 0.3–0.6 mm.

adaxial nectary narrowly oblong or oblong, 0.9–1.4 mm;

ovary pyriform, beak gradually tapering to styles;

ovules 12–18 per ovary;

styles 0.6–1.8 mm.

adaxial nectary square, oblong, or ovate, 0.2–0.4 mm, shorter than stipe;

stipe 0.6–1.7 mm;

ovary pyriform, glabrous, beak gradually tapering to or slightly bulged below styles;

ovules (6–)10–14 per ovary;

styles connate or distinct 1/2 their lengths, 0.3–0.7 mm;

stigmas flat, abaxially non-papillate with rounded tip, or 2 plump lobes, 0.16–0.23–0.32 mm.

4–6 mm.

4–6 mm.

flowering just before or as leaves emerge; staminate stout, 24–48 mm, flowering branchlet 0–2 mm; pistillate densely flowered, 23–55 mm, flowering branchlet 0–6 mm;

floral bract brown or tawny, 1.6–2.2 mm, apex convex or rounded, abaxially hairy, hairs straight.

flowering as leaves emerge; staminate stout, 11.5–39 × 5–14 mm, flowering branchlet 0.5–6 mm; pistillate moderately densely flowered or densely flowered, slender or stout, 16–46(–50 in fruit) × 4–15 mm, flowering branchlet 1.5–12 mm;

floral bract brown, black, tawny, or bicolor, 0.4–1.1 mm, apex retuse or acute, abaxially hairy throughout or proximally, hairs curly or wavy.

= 38.

= 38.