What’s That Weed?
Introduced species: Italian Arum (Arum italicum) Characteristics: Italian Arum—a.k.a. Lords and Ladies—is a tuberous perennial, growing to 12 inches high. It has glossy, arrow-shaped leaves up to 14 inches long, […]
What’s That Weed?
Introduced species: Hairy bittercress (Cardamine hirsuta) Description: This month’s weed is less of a threat to natural areas than many featured weeds–though it does show up there–but is one that
What’s That Weed?
Introduced species: Creeping buttercup (Ranunculus repens) Characteristics: Creeping buttercup is a low-growing, evergreen perennial that thrives in moist or poorly-drained soil. Its hairy leaves are mostly compound, with three leaflets
What’s That Weed?
Introduced species: Clematis (Clematis vitalba) Characteristics Clematis —also called traveler’s joy or old man’s beard—is a deciduous climbing vine, with stringy bark that easily rubs off on older stems. Leaves
What’s That Weed?
Introduced species: Russian knapweed (Leuzea repens; also listed as Acroptilon repens, Rhaponticum repens or Centaurea repens) Characteristics: Russian knapweed is a perennial with branched, erect stems up to 1.3 meters