Dipsacus fullonum

Common Name: 
teasel
Scientific Name: 
Dipsacus fullonum L.    syn.  Dipsacus sylvestris
Family Name: 
Dipsacaceae - Teasel Family
Identification Notes
Life Cycle
introduced biennial, reproducing by seed
Stems
reproductive in second year, upright, tall, prickly, four angled, small ribbed
Growth Habit of Teasel
Growth Habit of Teasel
Leaves
basal leaves in rosette, first year, oblanceolate, round toothed; stem leaves second year, opposite, lanceolate, toothed below becoming entire above,sessile or with bases united around stem, prickly underneath and on margins
Leaves of Teasel
Leaves of Teasel
Leaves of Teasel
Leaves of Teasel
Leaves of Teasel
Leaves of Teasel
Flowers
4-petaled, tubular, pale purple to lavender, conspicuous dark purple stamens; terminal heads oval, spiny upturned bracts
Flowers of Teasel
Flowers of Teasel
Flowers of Teasel
Flowers of Teasel
Flowers of Teasel