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1 Anthers with 4 awns; capsule rounded on the sutures; racemes straight or slightly downcurved; seeds not winged, shaped like a section of an orange; [mainly Coastal Plain and Piedmont, rarely in further inland provinces; in a wide variety of wetlands, including especially saturated and seasonally ponded communities] | |
1 Anthers with 2 awns; capsule angled on the sutures; racemes usually slightly to strongly down-curved; seeds winged, oblanceolate, flat; [southern and central Appalachians and upper Piedmont of VA and NC; rocky uplands and saturated wetlands] |