Flora of North America species comparison

erect, decumbent, or trailing;

branches gray-brown, yellow-brown, or red-brown, pilose, villous, or long-silky to glabrescent;

branchlets violet, red-brown, or yellow-brown, pilose, densely villous, long-silky, or tomentose.

stipules foliaceous, apex acute to acuminate;

petiole convex to flat, or shallowly grooved adaxially, 2–6(–9) mm, pilose or villous adaxially;

largest medial blade narrowly to broadly elliptic or narrowly ovate to ovate, 25–92 × 10–45 mm, 1.5–2.6(–3.4) times as long as wide, base convex, cuneate, or rounded, margins slightly revolute or flat, shallowly serrulate or entire, apex acuminate, acute, or convex, abaxial surface glaucous, sparsely pubescent, hairs wavy, adaxial dull to slightly glossy, pilose, sparsely pubescent or glabrous, midrib hairy, (hairs white and ferruginous);

proximal blade margins entire or finely serrulate;

juvenile blade sometimes reddish, sparsely pubescent abaxially, hairs white, sometimes also ferruginous.

stipules (sometimes marcescent), foliaceous, (sometimes obscured by hairs);

petiole (shallowly grooved adaxially), 2–5.5 mm, (usually shorter than or barely exceeding subtended bud, villous adaxially);

largest medial blade hypostomatous or amphistomatous, narrowly oblong, narrowly to broadly elliptic, lanceolate, or obovate, 13–64 × 6–22 mm, 1.6–5.5 times as long as wide, base convex, margins slightly revolute, entire (obscured by hairs), apex acuminate or acute, abaxial surface densely villous or woolly to pilose, hairs straight or wavy, adaxial slightly glossy, moderately densely to sparsely villous;

proximal blade margins entire;

juvenile blade abaxially densely long-silky.

adaxial nectary oblong or square, 0.3–0.7 mm;

filaments distinct or basally connate, glabrous;

anthers purple turning yellow, 0.4–0.6 mm.

abaxial nectary 0.5–1.2 mm, adaxial nectary narrowly oblong to ovate or flask-shaped, 0.5–1.5 mm, nectaries distinct or connate and cup-shaped;

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

anthers ellipsoid or globose, 0.3–0.5 mm.

adaxial nectary square or obovate, 0.3–0.6 mm, usually shorter than stipe;

stipe 0.4–1.2 mm;

ovary pyriform, glabrous, beak gradually tapering to styles;

ovules 12–22 per ovary;

styles connate (sometimes distinct 1/2 their lengths), 0.2–0.5 mm;

stigmas flat, abaxially non-papillate with rounded tip, or broadly cylindrical, or 2 plump lobes, 0.2–0.32–0.44 mm.

abaxial nectary rarely present, 0.7 mm, adaxial nectary narrowly oblong, ovoid, or flask-shaped, 0.5–2 mm, longer than stipe;

stipe 0–0.5 mm;

ovary pyriform, very densely villous or long-silky, beak slightly bulged below or abruptly tapering to styles;

ovules 8–20 per ovary;

styles connate to almost distinct, 0.2–0.8 mm;

stigmas slenderly to broadly cylindrical, 0.2–0.36–0.6 mm.

3.2–8 mm.

4–6 mm.

flowering as leaves emerge; staminate slender, stout, or subglobose, 14.5–34.5 × 8–12 mm, flowering branchlet 1–7 mm; pistillate moderately densely or loosely flowered, slender or stout, 21–59 × 6–16 mm, flowering branchlet 1.5–9 mm;

floral bract brown or bicolor, 1.2–1.8 mm, apex acute to rounded, abaxially glabrate to hairy, hairs straight to wavy.

staminate 12–42 × 4–14 mm, flowering branchlet 0–20 mm; pistillate densely flowered, slender, stout, or subglobose, 16–69 × 4–13 mm, flowering branchlet 4–30 mm;

floral bract tawny, brown, or black, 1.2–3.2 mm, apex rounded, entire, abaxially sparsely to moderately densely hairy, hairs wavy.

= 38.