Milkweed produces a toxin that disables a key protein in the animals that eat these plants ; this protein helps transport ions that are important for muscle contraction , neural function , and other cellular processes .
Milkweed of the eastern united states with narrow leaves in whorls and greenish-white flowers .
美国东部的马利筋,有轮生的窄叶子和白绿色的花。
Milkweed of the eastern united states with leaves resembling those of .
生长于美国东部的马利筋,与美国商陆的叶子相似。
In some angiosperm the seeds are equipped with gossamer wings , like the dandelion and milkweed seeds .
有些被子植物的种子携带轻盈的翅膀,就像蒲公英和乳草的种子。
Researchers dusted gm maize pollen onto the leaves of milkweed , which is commonly found on the edges of corn fields , and is the main source of food for monarch butterflies .