Dipsacus
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| Exposure: | ☼ | ?"?" is not in the list (sun, part-sun, shade, unknown) of allowed values for the "Exposure" property. |
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| Water: | ◍ | ?"?" is not in the list (wet, moist, moderate, dry, less when dormant) of allowed values for the "Water" property. |
Read about Dipsacus in the Standard Cyclopedia of Horticulture
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Dipsacus (to thirst, from the Greek, because the bases of the connate Lvs. in some species hold water). Dipsaceae. Teasel. Stout tall biennial or perennial herbs of the Old World, two or three of which are weeds; and one of them is cult. for fuller's teasels. The plants are prickly or rough-hairy: Lvs. opposite, entire, toothed or pinnatifid: fls. small and in dense heads, like those of compositous plants, but the anthers are not united (or syngenesious) as they are in the Compositae, blue or lilac; involucre-bracts and scales of receptacle sharp or spine- pointed. There are a dozen or more species in Eu., N. Afr. to Abyssinia, and Asia. D. sylvestris, Huds., is an intro. weed along roadsides in the northeastern states and Ohio Valley. It is biennial, the st. arising the second year and reaching a height of 5 or 6 ft. It is said to be a good bee plant. Lvs. lance-oblong, toothed and more or less prickly on the margin. The dead stiff stalks of this teasel are conspicuous winter objects in the E. U. S., where it has run wild extensively. D. laciniatus, Linn., has been found wild in the U. S.: lvs. pinnatifid or bipinnatifid, ciliate. The fuller's teasel, D. fullonum, Linn. (Fig. 1276), is probably derived from the first, and differs from it chiefly in the very strong and hooked floral scales. These scales give the head its value for the teasing or raising the nap on woollen cloth, for which no machinery is so efficient. This plant is grown commercially in a limited area in Cent. N. Y.; see Cyclo. Amer. Agric., Vol. II, p. 636. L. H. B.
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References
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
External links
- w:Dipsacus. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
- Dipsacus QR Code (Size 50, 100, 200, 500)