英语词汇“swallow-wort”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

swallow-wort

noun

1A plant of the milkweed family, the follicles of which suggest a swallow with outstretched wings, often becoming a weed.

Several species in the family Asclepiadaceae, in particular the European black swallow-wort (Cynanchum (or Vincetoxicum) nigrum), and the American Asclepias curassavica.

Black swallow-wort is difficult to control and has been noted to invade prairie areas....

Research shows that the butterfly will cue into black swallow-wort and lay eggs, but the larvae do not survive.
Where found in Wisconsin, black swallow-wort has spread widely, creating rapidly growing mats of tangled vines.

2British The greater celandine, formerly believed to be used by swallows to restore their sight.

单词	swallow-wort
释义	swallow-wort noun 1A plant of the milkweed family, the follicles of which suggest a swallow with outstretched wings, often becoming a weed. Several species in the family Asclepiadaceae, in particular the European black swallow-wort (Cynanchum (or Vincetoxicum) nigrum), and the American Asclepias curassavica. Black swallow-wort is difficult to control and has been noted to invade prairie areas.... Research shows that the butterfly will cue into black swallow-wort and lay eggs, but the larvae do not survive. Where found in Wisconsin, black swallow-wort has spread widely, creating rapidly growing mats of tangled vines. 2British The greater celandine, formerly believed to be used by swallows to restore their sight.
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