black swallow-wort flower - Axtarish в Google
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Black swallow-wort is an herbaceous perennial in the milkweed family. It is a vine with twining stems up to 6 feet long with dark green, glossy foliage. The lance-shaped leaves are opposite with smooth edges. Flowers are 1/8 inch, purple with a yellow center, star shaped, and borne in clusters at leaf axils .
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Vincetoxicum nigrum, a species in the family Apocynaceae, also known as black swallow-wort, Louise's swallow-wort, or black dog-strangling vine, ...
5 июл. 2019 г. · Black and pale swallow-wort are moderately aggressive. The extensive patches of swallow-wort may overgrow native plants and disrupt natural ...
Black swallow-wort vines thrive in both shade and sun and are found in disturbed areas along roadsides, pastures, old fields and gardens as well as alvar and ...
Black Swallow-wort has small purplish flowers, while Pale Swallow-wort has pinkish flowers. Both have long green pods and produce wind-borne seeds.
Photos and information about Minnesota flora - Black Swallow-wort: twining vine; small clusters of ¼-inch dark purple 5-petaled flowers in leaf axils.
Black swallow-wort is a perennial, twining herbaceous vine in the milkweed family. The leaves are oval shaped with pointed tips; 3 to 4 inches long by 2 to 3 ...
7 июл. 2009 г. · BIOLOGY & SPREAD Black swallow-wort emerges in spring and flowers from June to July. The flowers are self-pollinating. Fruits are soon produced ...
Flowers: 5-pointed star-shaped, dark purple-brown , ¼" diameter. Appear in loose cymes of 6-10 flowers in leaf axils, May-September Fly pollinated, nectar ...
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