Weeds: Velvetleaf – Abutilon theophrasti categories: Sh-Z Weeds revision date: 2024-06-22 11:04 Family: Malvaceae Cycle: Summer annual Plant type: Broadleaf VelvetleafPhoto by: J.A. Kropf Biology Velvetleaf is an annual weed that typically grows between three and seven feet tall. Broad, heart-shaped leaves (up to five inches wide) alternate on the upright, branching stems. Five to […]
Weeds: Water primrose – Ludwigia uruguayensis (L. hexapetala) categories: Sh-Z Weeds revision date: 2024-06-22 11:04 Family: Onagraceae Cycle: Perennial Plant type: Broadleaf aquatic Water primrose with flowersPhoto by: Washington Noxious Weed Board slide collection Biology Water primrose is a perennial aquatic herb. Stems sprawl or grow horizontally to erect on water or mud, rooting freely […]
Weeds: Waterhemlock, western – Cicuta douglasii categories: Sh-Z Weeds revision date: 2024-06-22 11:05 Family: Apiaceae (Umbelliferae) Cycle: Perennial Plant type: Broadleaf Western waterhemlock flower clustersPhoto by: R. Parker Biology Western waterhemlock begins growth in the spring. The tall, branching plants reach three to seven feet high by late spring to early summer, when flowering begins. […]
Weeds: Wild carrot (Queen Anne’s lace) – Daucus carota categories: Sh-Z Weeds revision date: 2024-06-22 11:05 Family: Apiaceae Cycle: Biennial Plant type: Broadleaf Queen Anne’s Lace flowersPhoto by: Jrosenberry1 Creative Commons Alike 4.0 Biology Wild Carrot (also known as Queen Anne’s Lace) is an upright, tap rooted herb, reaching 1 to 4 feet tall. It […]
Weeds: Yellow nutsedge – Cyperus esculentus categories: Sh-Z Weeds revision date: 2024-06-22 11:05 Family: Cyperaceae Cycle: Perennial Plant type: Broadleaf Yellow nutsedgePhoto by: Washington Noxious Weed Board slide collection Biology Yellow nutsedge is an aggressive, creeping perennial that resembles a grass but has triangular stems. Plants range in height from 6 to 30 inches tall. […]
