Flora of North America species comparison

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

usually ascending, usually producing axillary shoots below 1st-order inflorescence or at proximal nodes, 30–50(–60) 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.

blades light or yellowish green, veins scarcely prominent abaxially, elliptic-lanceolate, occasionally lanceolate, 6–12 × (2–)3–6 cm, usually (2–)3(–5) times as long as wide, widest near middle, thin, not coriaceous, base cuneate, margins entire, undulate, apex acute, warty in appearance.

terminal and axillary, usually occupying distal 2/3 of stem/shoot, usually dense, or interrupted in proximal part, broadly paniculate.

terminal and axillary, terminal usually occupying distal 1/5–1/3 of stem, dense or interrupted near base, usually broadly paniculate (branches simple or with few 2d-order branches).

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

articulated in proximal 1/3, filiform (but thickened distally), 3–6 mm, not more than 2–2.5 times as long as inner tepals, articulation indistinctly 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.

10–20 in whorls;

inner tepals, triangular, broadly triangular, or deltoid, 3–4 × 3.5–4(–5) mm, base truncate, margins entire, apex acute or subacute;

tubercle 1, small, narrow, much narrower than inner tepals, smooth to weakly rugose.

brown or dark brown, 5–7 × 4–6 mm.

not seen.

= 40.

= 20.