Weeds: Knapweeds – Centaurea spp.
Weeds: Knapweeds – Centaurea spp. categories: I-Po Weeds revision date: 2024-06-22 08:12 Spotted knapweed flowerheadsPhoto by: B.F. Roche Family: Asteraceae (Compositae) Cycle: Biennial/perennial Plant type: Broadleaf Biology Knapweeds are short-lived perennials with stout taproots. They can have one or more stems, reaching one to three feet in height. Depending on species, leaves may be narrow […]