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The photo above shows off the exquisite yet rigid framework of a milkweed ( asclepias ) seed .

上面的这张照片炫耀着那些优美、高雅，但又坚韧、刚强的乳草种子的框架。

This is because their staple food , milkweed , is being used more and more as a garden ornament .

这是因为它们的主要食物乳草被越来越多的用于园林装饰。

Milkweed of southwestern united states and mexico ; poisonous to livestock .

美国西南部和墨西哥的马利筋；对家畜有毒害作用。

Milkweed seeds I planted in my butterfly garden .

我在我的蝴蝶园种植的乳草种子。

Monarchs lay eggs on milkweed , and the larvae eat it .

帝王蝶会在乳草上产卵，幼虫再以乳草为食。