Pennsylvania smartweed

Common Name:

smartweed, Pennsylvania

Scientific Name:

Polygonum pensylvanicum

Family:

Polygonaceae

Lifecycle:

Annual

Features

Leaves lanceolate to slightly ovate often with a prominent dark watermark. Ocrea present with no fringe of hairs. Inflorescence a spike at apex of stem, pink.

Description

Ocrea inclosing stem at leaf nodes is a prominent characteristic of Polygonums. Common in areas with greater soil moisture.