Polygonum bicorne

Common Name:  Pennsylvania Smartweed

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habit - the red coloration of the older stems and the erect clusters of pink flowers are conspicuous above the background vegetation. This species grows in moist soils. leaves and stems - what leaf shape is present? The stems are particularly red at the nodes.
ochrea - the ochrea (modified stipules) are membraneous but unlike those of Polygonum hydropiperoides they do not have cilia. flowers