Weeds: Brackenfern, western – Pteridium aquilinum categories: A-B Weeds revision date: 2024-06-21 04:40 Western brackenfern frondsPhoto by: R. Parker Family: Dennstaedtiaceae (Polypodiaceae) Cycle: Perennial Plant type: Other Biology Brackenfern grows from creeping rhizomes, which can spread the plant over a large area. The hairy rhizomes are brown and woody. Leaves (fronds) are generally triangular in […]
Weeds: Buffalobur – Solanum rostratum categories: A-B Weeds revision date: 2024-06-21 04:40 Buffalobur with flowersPhoto by: D.G. Swan Family: Solanaceae Cycle: Annual Plant type: Annual Biology Buffalobur is an exceptionally spiny annual plant growing about two feet high. The alternate leaves have deep, rounded lobes and are two to five inches long. The leaves are […]
Weeds: Bull thistle – Cirsium vulgare categories: A-B Weeds revision date: 2024-06-21 04:41 Bull thistle flowerPhoto by: J.A. Kropf Family: Asteraceae (Compositae) Cycle: Biennial Plant type: Broadleaf Biology A first-year plant of bull thistle is a rosette of deeply lobed, wavy-margined leaves. The upper surface of the leaves is prickly and hairy, while the underside […]
Weeds: Buttercup, creeping – Ranunculus repens categories: A-B Weeds revision date: 2024-06-21 04:41 Creeping buttercup flowersPhoto by: T.W. Miller Family: Ranunculaceae Cycle: Perennial Plant type: Broadleaf Biology Creeping buttercup is a creeping perennial plant that is usually fairly low-growing. The stems are hairy and root at the nodes when they contact the soil. Leaves are […]
Weeds: Butterfly bush – Buddleja davidii categories: A-B Weeds revision date: 2024-06-21 04:41 Buddleja davidii ‘Fascination’Photo by: Ptelea; CC BY-SA 3.0 Family: Scrophulariaceae Cycle: Perennial Plant type: Broadleaf Biology Butterfly bush, Buddleja davidii, is a deciduous shrub that grows from 3 to 15 ft tall. Until only recently, this species was celebrated for its robust […]
