Rumex spiralis
Rumex fascicularis
spiral tall dock, wing dock
ascending or erect, usually producing axillary shoots below 1st-order inflorescence or at proximal nodes, 50–90 cm.
ascending or decumbent, usually producing axillary shoots below 1st-order inflorescence or at proximal nodes, 50–60(–70) cm.
blades ovate-lanceolate, oblong-lanceolate, or lanceolate, 10–15 × 3–5.5 cm, usually 2.5–3.5 times as long as wide, widest in proximal 1/3, thick, usually not coriaceous, base broadly cuneate, truncate, or rounded, margins entire, flat or slightly undulate-crisped, apex acute or attenuate.
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, terminal usually occupying distal 1/2 of stem, dense, narrowly to broadly paniculate (branches usually simple).
terminal and axillary, terminal usually occupying distal 1/3–1/2 of stem, usually lax, interrupted in proximal part, broadly paniculate.
articulated in proximal 1/3, thin but slightly thickened distally, (2–)3–7(–8) mm, usually as long as or shorter than inner tepals, articulation 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.
12–20 in whorls;
inner tepals broadly cordate or broadly ovate-deltoid, 7–10 × 8–12 mm, base deeply and broadly cordate, margins entire, apex acuminate;
tubercles 3, equal or subequal, usually minutely to distinctly rugose.
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 reddish brown, 2.5–3.5 × 2–2.5 mm.
brown or dark brown, 2–2.5(–3) × 1.8–2.5 mm.
= 20.
= 60.
Rumex spiralis
Rumex fascicularis
Rumex spiralis is related to R. altissimus; however, it is geographically restricted and morphologically distinct. It has inner tepals larger than those of any other member of subsect. Salicifolii and distinctly wider leaves.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Rumex fascicularis was mentioned for North Carolina (Á. Löve 1986). It is closely related to and sometimes treated as a subspecies of R. verticillatus.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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