Flora of North America species comparison

trailing;

branches and branchlets yellow-brown or red-brown, glabrous.

branches (sometimes ± brittle at base), yellow-brown or olive-brown, not or weakly glaucous, glabrous;

branchlets yellow-brown or olive-brown, violet tinged, glabrous.

stipules absent or rudimentary;

petiole 3–46 mm, (sometimes glandular distally);

largest medial blade amphistomatous or hemiamphistomatous, (2 pairs of secondary veins arising at or close to base, arcing toward apex), oblong, broadly oblong, broadly elliptic, subcircular, or circular, (8–)12–66 × 8–50 mm, 1–1.5 times as long as wide, base convex, rounded, subcordate, or cordate, margins slightly revolute, entire or crenulate (glandular-dotted), apex rounded, convex, or retuse, abaxial surface sparsely long-silky to glabrescent, adaxial (venation deeply impressed), slightly or highly glossy, glabrous or pilose;

proximal blade margins entire;

juvenile blade glabrous.

(sometimes opposite or subopposite);

stipules absent;

petiole shallowly grooved adaxially, 2–7 mm, glabrous adaxially;

largest medial blade lorate, narrowly oblong, narrowly oblanceolate, oblanceolate, 35–77 × 5–20 mm, base convex or rounded, margins strongly revolute, entire or serrulate, apex acute, acuminate, or convex, abaxial surface glaucous, glabrous, adaxial dull to sublustrous, glabrous;

proximal blade margins entire;

juvenile blade yellowish green or reddish, glabrous or sparsely pubescent abaxially, hairs white, sometimes also ferruginous.

abaxial nectary 0.5–0.9 mm, adaxial nectary oblong or ovate, 0.5–1 mm, nectaries connate and cup-shaped;

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

anthers ellipsoid or globose, 0.3–0.4 mm.

adaxial nectary oblong, square, or ovate, 0.4–0.8 mm;

filaments connate;

anthers (distinct), purple turning yellow, ellipsoid or globose, 0.4–0.5 mm.

abaxial nectary (0–)0.3–0.5 mm, adaxial nectary narrowly oblong, 0.5–1 mm, equal to or longer than stipe, nectaries distinct or connate and cup-shaped;

stipe 0–0.8 mm;

ovary pyriform or ovoid, short-silky, hairs flattened, beak abruptly tapering to styles;

ovules 8–18 per ovary;

styles connate to distinct 1/2 their lengths, 0.2–0.3 mm;

stigmas flat, abaxially non-papillate with rounded tip, broadly cylindrical, or 2 plump lobes, 0.2–0.26–0.36 mm.

adaxial nectary ovate, 0.3–0.7 mm;

ovary obturbinate, beak gradually tapering to styles;

ovules 6 per ovary;

styles 0.2–0.3 mm.

4.5–5 mm.

2.5–5 mm.

staminate 11–54 × 4–9 mm, flowering branchlet 2–28 mm; pistillate densely flowered (more than 6 flowers), slender or stout, 11–79 × 3–8 mm, flowering branchlet 2–37 mm;

floral bract tawny, 0.8–1.8 mm, apex rounded to retuse, entire, abaxially glabrous.

flowering before leaves emerge, (subopposite, recurved); staminate stout or subglobose, 25–33 × 6–10 mm, flowering branchlet 0 mm; pistillate densely flowered, slender or stout, 13.5–34.5(–35 in fruit) × 3–7 mm, flowering branchlet 0.5–3 mm;

floral bract black or bicolor, 0.8–1.6 mm, apex rounded, abaxially hairy, hairs straight or wavy.

= 38.

= 38.