Flora of North America species comparison

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

erect or slightly ascending, 1 or several from base, sparsely branched in inflorescence,occasionally inflorescence simple or nearly so, 8–20(–25) cm;

shoots usually densely crowded, not elongated.

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 brownish, membranous;

blade narrowly linear or spatulate-lanceolate, not hastate (without basal lobes), 2.5–6 × 0.15–0.3(–0.4) cm, base narrowly cuneate (gradually narrowing into petiole), margins entire, flat or slightly revolute, apex obtuse or subacute.

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 with branches directed upward, or simple.

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

1–4 mm.

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.

3–7 in whorls;

inner tepals distinctly enlarged, 2.3–3 × 1.8–3 mm (free wing 0.4–0.8 mm wide), base cuneate, apex obtuse or subacute.

brown or dark brown, 5–7 × 4–6 mm.

light brown, 1.5–2 × 1.2–1.9 mm.

= 40.

= 21.