Flora of North America species comparison

ascending or, rarely, erect, usually producing axillary shoots near base, (10–)15–30(–40) cm.

erect, branched above middle, 50–100(–130) cm.

blades ovate-elliptic, obovate-elliptic, or ovate-lanceolate, (2–)4–12(–15) × 1–5(–6) cm, subcoriaceous, base narrowly to broadly cuneate, margins entire, flat or slightly undulate, apex acute or acuminate.

ocrea mostly deciduous or rarely partially persistent at maturity;

blade ovate-triangular, broadly ovate, or ovate-elliptic, 20–30 × 15–25 cm, base deeply and broadly cordate, margins entire to obscurely repand, usually slightly crisped or undulate, apex obtuse to subacute.

terminal and axillary, usually occupying distal 2/3 of stem/shoot, usually dense, or interrupted in proximal part, broadly paniculate.

terminal, occupying distal 1/2 of stem (branches often slightly arcuate at base), rather dense, widely paniculate.

articulated near middle, filiform or slightly thickened, (8–)10–16 mm, articulation distinct, slightly swollen.

articulated in proximal 1/3, filiform, 4–10 mm, articulation distinctly swollen.

5–15 in whorls;

inner tepals distinctly double-reticulately veined, orbiculate or reniform-orbiculate, 13–18(–20) × (20–)23–30 mm, base deeply emarginate or cordate, margins entire, apex rounded, obtuse, rarely subacute, with short, broadly triangular tip;

tubercles absent, occasionally very small.

15–30 in whorls;

inner tepals orbiculate-reniform or broadly scutate, 6–9 × 6–11 mm, as long as wide or nearly so, base cordate to subcordate, margins entire or subentire, occasionally irregularly erose near base, apex abruptly acute to acute;

tubercles usually 1, small, 1–2 mm, normally less than 2 times as wide as inner tepals, rarely absent or indistinct.

brown or dark brown, 5–7 × 4–6 mm.

reddish brown, 3–3.5 × 1.7–2.5 mm.

= 40.

=40.