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Teasel
''Dipsacus'' is a genus of flowering plant in the family Caprifoliaceae. The members of this genus are known as teasel, teazel or teazle. The genus includes about 15 species of tall herbaceous biennial plants (rarely short-lived perennial plants) growing to tall. ''Dipsacus'' species are native to Europe, Asia and northern Africa. Etymology The genus name (''Dipsacus'') is derived from the Greek word for thirst (''dipsa'') and refers to the cup-like formation made where Sessility (botany), sessile leaves merge at the stem. The name ''teasel'' derives from words such as Old English ''tǣsl'', ''tǣsel''; relating to the verb "to tease" – the dried heads of the plant were once used in the textile industry to raise the nap on woolen cloth. Description Teasels are easily identified with their prickly stem and leaves, and the inflorescence of purple, dark pink, lavender or white flowers that form a head on the end of the stem(s). The inflorescence is ovoid, long and broad, wit ...
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Dipsacus Fullonum
''Dipsacus fullonum'', syn. ''Dipsacus sylvestris'', is a species of flowering plant known by the common names wild teasel or fuller's teasel, although the latter name is usually applied to the cultivated variety ''D. fullonum'' var. ''sativus''. It is native to Eurasia and North Africa, but it is known in the Americas, southern Africa, Australia and New Zealand as an introduced species. It is a herbaceous biennial plant (rarely a short-lived perennial plant) growing to tall. The inflorescence is a cylindrical array of lavender flowers which dries to a cone of spine-tipped hard bracts. It may be long. The dried inflorescence of a cultivar was historically used in textile manufacturing as a tool for fulling. Description The genus name is derived from the word for thirst and refers to the cup-like formation made where sessile leaves merge at the stem. Rain water can collect in this receptacle; this may perform the function of preventing sap-sucking insects such as aphids f ...
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