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1 Perigynia 2.3-3.9 (-4.2)× as long as wide, 0-5 (7)-veined abaxially (the veins extending unbroken from the perigynium base to the base of the perigynium beak); achenes 1.2-1.8× as long as wide; widest leaf blade (2.2-) 2.4-5.9 mm wide; [of uplands, south to n. NJ, n. PA, n. OH, n. IL] | |
1 Perigynia (3.3-) 4.1-6.7× as long as wide, (3-) 4-8-veined abaxially (the veins extending unbroken from the perigynium base to the base of the perigynium beak); achenes 1.9-2.9 × as long as wide; widest leaf blade 1.3-4.4 mm wide; [of wetlands, collectively widespread]. | |