Flora of North America species comparison

usually erect, rarely ascending, branched above middle, 25–90(–100) cm.

erect, rarely ascending, especially axillary shoots, usually producing axillary shoots below 1st-order inflorescence, or at proximal nodes, 40–80(–120) cm.

ocrea prominent and persistent at maturity, whitish or silvery white, membranous;

blade oblong, oblong-elliptic, or obovate-lanceolate, (5–)8–30 × 2–8(–12) cm, base cuneate or narrowly cuneate, margins entire, flat or indistinctly crisped, apex acute or acuminate, rarely obtuse.

blades with lateral veins forming angle of 40–60° with midvein, lanceolate or broadly lanceolate, rarely ovate-lanceolate, 7–20(–30) × 3–5 cm, usually 3–5(–6) times as long as wide, normally rather fleshy, coriaceous or subcoriaceous when dry, base narrowly to broadly cuneate, margins entire, flat, apex acute or acuminate.

terminal, occupying distal 1/2 of stem, narrowly paniculate, rarely simple.

terminal and axillary, terminal usually occupying distal 1/3–1/2 of stem, usually rather dense, interrupted only near base, narrowly to broadly paniculate.

articulated near middle or in proximal 1/3, filiform, 5–15(–20) mm, articulation indistinct.

articulated in proximal part, distinctly thickened distally, 7–15 mm, usually 2.5–3 times as long as inner tepals, articulation distinctly swollen.

5–20 in whorls;

inner tepals oblong-cordate or orbiculate-cordate, 11–16 × 9.5–14 mm, base sinuate or emarginate, margins entire, rarely with few extremely small denticles at base, apex obtuse or subacute;

tubercles absent.

10–20(–30) in whorls;

inner tepals, broadly ovate-deltoid or deltoid, (3.5–)4–5.5 × 4–6 mm, usually as wide as or wider than long, base truncate, margins entire or, rarely, very indistinctly erose, apex acute or acuminate;

tubercles 3, equal or subequal, often verrucose and/or transversely rugose (wrinkled) in proximal part.

brown or reddish brown, 4–5(–7) × 2.5–4.5(–5) mm.

brown or dark brown, 2.5–3.5 × 2–3 mm.

= 40.

= 60.