| 释义 |
butterfly weednoun [mass noun]A North American milkweed with bright orange flowers which are attractive to butterflies.- Asclepias tuberosa, family Asclepiadaceae.
Plants here include prairie rose, nodding onion, gray-headed coneflower, butterfly weed, green milkweed, hoary puccoon, and even eastern prickly pear cactus....- Milkweed or butterfly weed (Asclepias spp.), which produces flattened clusters of star-shaped blooms for months, is a nectar plant for several butterflies and a larval food plant for monarch butterflies.
- Seeds of most hardy perennials - including bleeding heart, butterfly weed, columbine, delphinium, liatris, and penstemon - require a period of chilling to germinate.
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