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 (only in inflorescence), 50–100 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 with large lateral veins alternating with short ones, oblong or oblong-lanceolate, 30–40(–50) × 10–12 cm, more than 3 times as long as wide, base broadly cuneate, truncate, or weakly cordate, margins entire or indistinctly repand, flat, apex obtuse or broadly acute.

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, usually dense, narrowly paniculate.

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

articulated in proximal 1/3, filiform, 6–16 mm, articulation indistinct.

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 or subcordate, 5–6 × 4.5–6 mm, widest at or near middle, base weakly emarginate, margins entire, erose, or indistinctly denticulate mostly at base, apex abruptly narrowed, acute or subacute;

tubercles absent.

brown or dark brown, 5–7 × 4–6 mm.

deep brown to reddish brown, 2.5–4(–4.5) × 1.8–2.5 mm.

= 40.

= 120.