Flora of North America species comparison

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

erect, branched in distal 1/2, 40–85(–100) 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 deciduous or partially persistent at maturity;

blade oblong-lanceolate to lanceolate, 20–35 × 5–12 cm, base cordate to broadly cuneate, margins entire or nearly so, flat, apex acute or attenuate.

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

terminal, occupying distal 1/2–2/3 of stem, interrupted in proximal 1/2, paniculate, branched.

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

articulated in proximal 1/3, filiform, 12–20 mm, 3–4 times as long as inner tepals, articulation weakly evident, not 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.

10–20 in whorls;

inner tepals ovate-triangular, 4–5(–6) × 3–4(–5) mm, base truncate to subcordate, margins entire, apex acute to subacute;

tubercles absent.

brown or dark brown, 5–7 × 4–6 mm.

brown, 3 × 1.5 mm.

= 40.

= 120.