Dipsacus fullonum

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2187029
Taxonomy
Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Dipsacales
Family: Dipsacaceae
Genus: Dipsacus
Species: fullonum
Scientific Name
Dipsacus fullonum
L.
Scientific Name Synonym
Dipsacus sylvestris
L.
Common Names

common teasel, Fuller's teasel, teasel

Overview

Appearance
Dipsacus fullonum a biennial plant that exists as a basal rosette until flower stems develop.
Foliage
Rosette leaves are lanceolate to oblanceolate and stem leaves are opposite, lanceolate and fused at the base. All leaves have short prickles on the midvein.
Flowers
The erect flower stems reach 6 ft. (1.8 m) in height and support spiny flower heads that are covered with small, lavender to white flowers in April to September.
Fruit
Fruit is angled and approximately 0.08-0.12 in. (2-3 mm) long. Seeds are small and are dispersed by the wind after the seed-head has dried.
Ecological Threat
Dipsacus fullonum favors disturbed sites such as roadsides, ditches, waste places, riparian sites, fields and pastures in most of the continental United States. Only recently was Dipsacus fullonum distinguished from fullers teasel which was once cultivated for the dried flower heads used in wool processing. It is native to Europe.

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