Persian Knotweed *
Polygonum argyrocoleon

Family: Polygonaceae (BUCKWHEAT).
Other common names: silversheath knotweed.
Generic common name: KNOTWEED, SMARTWEED.

Location: Disturbed site near Camp Miller: coastal sage scrub, August 2013.

Characteristics: non-Native, White, Small, Clusters, Simple, Woody, Perennial, Late Spring, Summer.