Rumex orbiculatus A. Gray
Family: Polygonaceae
Rumex orbiculatus image
Paul Rothrock  
Stout perennial to 2.5 m, simple to the infl; lvs mostly flat, lanceolate, acute to rounded at base; infl to 5 dm, the several ascending branches mostly subtended by reduced lvs; mature pedicels obscurely jointed near the base; valves subrotund, 5-8 mm, about as wide, basally broadly truncate; grains 3, narrowly lance-acuminate, half as long as the valve, the base distinctly above the base of the valve; 2n=60, 160. Swamps and shallow water; Nf. and Que. to N.D., s. to N.J., Ind., and Nebr. (R. brittanicus, misapplied)

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
Rumex orbiculatus image
Paul Rothrock  
Rumex orbiculatus image
Paul Rothrock  
Rumex orbiculatus image
Rumex orbiculatus image
Rumex orbiculatus image
Rumex orbiculatus image
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