Flora of North America species comparison

erect, branched above middle (only in inflorescence), 50–100 cm.

erect, rarely ascending, usually producing axillary shoots below 1st-order inflorescence or at proximal nodes, 50–90(–120) cm.

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.

blades ovate-lanceolate, elliptic-lanceolate, or lanceolate, 10–15 × 3–5.5 cm, usually ca. 2.5–4 times as long as wide, widest in proximal 1/2, thick, often subcoriaceous, base broadly cuneate, rarely almost rounded, margins entire, flat, apex acute or attenuate.

terminal, occupying distal 1/2 of stem, usually dense, narrowly paniculate.

terminal and axillary, terminal usually occupying distal 1/5–1/3 of stem, rather dense, normally broadly paniculate.

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

articulated in proximal 1/3, sometimes almost near base, thick, (2–)3–7(–8) mm, usually approximately as long as inner tepals, occasionally slightly longer or shorter, articulation swollen.

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.

12–20 in whorls;

inner tepals with broadly triangular, ovate-triangular, or broadly ovate-deltoid, 4.5–6 × 3–4.5(–5) mm, base truncate or indistinctly cordate, margins entire, apex acute;

tubercles (2–)3, equal or subequal, glabrous or minutely rugose.

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

brown or dark reddish brown, 2.5–3.5 × 1.8–2.3 mm.

= 120.

= 20.