Flora of North America species comparison

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

erect, branched distal to middle, 80–150(–200) 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 lanceolate or oblong-lanceolate, normally 20–55(–70) × 2–7 cm, base cuneate, occasionally rounded or truncate, margins entire, flat to slightly crisped, apex 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, dense or interrupted in proximal 1/2, broadly paniculate, branches usually straight or arcuate.

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

articulated in proximal 1/3, filiform, 5–13 mm, articulation barely evident, not 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.

15–25 in whorls;

inner tepals orbiculate or orbiculate-ovate, rarely ovate-deltoid, 4–7(–7.5) × 3.5–7 mm, base truncate or slightly cordate, margins entire or weakly erose, flat, apex obtuse to subacute;

tubercles 3, equal or subequal, normally less than 2 times as wide as inner tepals.

brown or dark brown, 5–7 × 4–6 mm.

usually reddish brown, 3–4.5 × 1.5–2.5 mm.

= 40.

= 20.