(1) In the case of teasel , field biologists were already aware of the discrepancy between the short distances traveled by most seeds, and the speed with which the plant spread after its introduction to North America.(2) We present illustrative examples, using published data on two plants: teasel and Calathea ovandensis.(3) At Embsay I found harebell, knapweed, honeysuckle, meadowsweet, bittersweet and of course lots of teasel .(4) A large variety of shrubs have already been planted in the garden including thistles, dogrose, wild primulas and teasel .(5) Under these conditions, a teasel invasion wave would move each year roughly twice the mean seed dispersal distance.(6) The fruit of the teasel consists of seeds protected by hook-like structures.(7) The wave speed calculated for teasel disagrees, by a large factor, with the apparent rate of spread of the species in North America.(8) Suppose that some small fraction of teasel seeds land in water, and that when they do they are dispersed according to a Laplace distribution with some larger mean distance.(9) Finally, a nap is raised on the surface of the chechia by means of an implement made from the elongated, dried flower-head of a type of teasel (genus Dipsacus) grown and harvested near the village of el-'Aliya near Bizerte on the north coast.(10) The teasel is another plant which had a vital use before the industrial revolution.(11) Another possible explanation is that multiple introductions of teasel have contributed to its distribution in North America.(12) All around the station car park I found lots of teasel flowers and this species also has a textile connection.(13) Vigorous self-seeders such as teasels and some annual poppies, and plants that tend to be too tall and lanky to stand the winter gales such as certain Achillea cultivars, are ideal contenders.(14) To encourage them, provide bird-friendly seed-bearers such as teasels , honesty and sunflowers, and those that provide autumn berries, including pyracanthas and hawthorns.(15) The plants have grabbed a hold forming rafts of rushes and weeds; and teasels and fireweed march up inhospitable slopes.(16) The land was quiet and pleasant, with teasels , cowslips, bluebells, and dark soil ridged for spuds or glowing with oil seed rape.
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