Flora of North America species comparison

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

ascending or decumbent, usually producing axillary shoots below 1st-order inflorescence or at proximal nodes, 50–60(–70) 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 with lateral veins forming angle of ca. 80° with midvein especially near base, ovate or ovate-elliptic, 10–25 × 4–12 cm, usually ca. 2 times as long as wide, fleshy, coriaceous, base rounded or truncate-cuneate, occasionally indistinctly cordate, margins entire, flat, apex acute.

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 1/3–1/2 of stem, usually lax, interrupted in proximal part, broadly paniculate.

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

articulated in proximal part, distinctly thickened distally 8–13 mm, (2.5–)3–4 times as long as inner tepals, articulation slightly 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 orbiculate or rounded-triangular, 4–5 × 4–5 mm, base truncate or subcordate, margins entire, or rarely indistinctly erose, apex acute or acuminate (with broadly triangular tip);

tubercles 3, equal or subequal, minutely punctate and/or rugose in proximal part.

brown or dark brown, 5–7 × 4–6 mm.

brown or dark brown, 2–2.5(–3) × 1.8–2.5 mm.

= 40.

= 60.