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Vincetoxicum rossicum is a flowering plant in the family Apocynaceae.It is a perennial herb native to southern Europe and is a highly invasive plant growing in all of the Eastern United States, in the mid west, and southern Ontario and Quebec in Canada.
Kudzu is an invasive plant species in the United States, introduced from Asia with devastating environmental consequences, [1] earning it the nickname "the vine that ate the South". It has been spreading rapidly in the Southern United States , "easily outpacing the use of herbicide, spraying, and mowing, as well increasing the costs of these ...
Vincetoxicum nigrum is a perennial, herbaceous vine bearing ovate leaves with pointed tips. The leaves are 3–4 inches (7.6–10.2 cm) long, and 2–3 inches (5.1–7.6 cm) wide, occurring in pairs on the stem. The flowers have five petals, and are star-shaped with white hairs. The flowers range in color from dark purple to black.
Japanese knotweed is seen in flower. Yellowish-white flower spikes appear in August and September, making now the best time of year to identify and report occurrences of this invasive species.
Identification by experienced people is often made difficult by leaf damage, the plant's leafless condition during winter, and unusual growth forms due to environmental or genetic factors. Various mnemonic rhymes describe the characteristic appearance of poison ivy: [8] "Leaves of three, let it be" is the best known and most useful cautionary ...
Clematis terniflora is a vine with opposite, pinnately compound, leathery-textured, shiny green leaves (3-5 oval to elliptic leaflets with cordate bases). Vines woody. Branches shallowly 4--10-grooved, climbing stems. The flowers are white, blooming in fall.
The encircling vines have been known to strangle the host tree to death or break branches from the excess weight, which is also true of the slower-growing American species, C. scandens. The leaves are round and glossy, 2–12 cm (0.8–4.7 in) long, have toothed margins and grow in alternate patterns along the vines.
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