Northern Prairie Wildlife Research Center
Aquatic and Wetland Vascular Plants of the Northern Great Plains
15. Polygonaceae, the Smartweed Family
2. Rumex L. -- Dock
9. Rumex stenophyllus Ledeb.
Very similar to R. crispus but the leaves not as undulate-crisped,
otherwise differing as follows: Valves triangular to rotund-ovate in
outline, 3.5-5.5 mm long, 4-5.5 mm wide, coarsely toothed on the margins, entire
at the triangular tip; tubercles 3, ellipsoid, mostly 1/3 to 1/2 the
length of the valve; achenes brown, 2-2.5(3) mm long. Jul--Sep. Wet meadows,
shores, ditches, stream banks and disturbed places, often where alkaline or
saline; frequent; (Intro. from Europe to e N.Amer., now known from MN, Man.
and MT, s to MO, OK, n TX and WY, probably still spreading).
Previous Species -- Rumex pseudonatronatus Borbas
Return to Family -- Polygonaceae -
The Smartweed Family