Asclepias (Milkweeds) Key to Species |
| Flowers White | ||
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| Flowers Orange | ||
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| Flowers Pink, Lavender, Red, or Violet | ||
| Leaves Downy and Seed Pods with Spiny Projections | ||
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| Middle and Lower Leaves in Whorls of 4 | ||
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| Leaves Narrow and Elongate | ||
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| Not as Above | ||
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