Panorama of the San Marcos Foothills Preserve
Plants of the San Marcos Foothills Preserve

Return to: Plants by Scientific Name - Plants by Common Name - Plants by Flower Color

Polygonum aviculare subsp. depressum (Common Knotweed)

Uncommon, non-native, annual herb found in disturbed areas. Flowers are greenish-white or pink. Blooms in spring to fall.

Polygonum aviculare subsp. depressum (Common Knotweed). Pictured in late spring.


Polygonum aviculare subsp. depressum (Common Knotweed). Pictured in late spring.


Polygonum aviculare subsp. depressum (Common Knotweed). Pictured in late spring.