White Wildflower
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Wildflowers of Tucson, Arizona |
White Wildflower |
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| Scientific
Name: Asclepias
subverticillata Common Name: Horsetail Milkweed, Western Whorled Milkweed, Poison Milkweed Flower Color: Pure white to light cream Plant Type: Herb, Perennial Height: To 39 inches (1 m) tall Date Observed: May 15, 2004 Notes: Poisonous. The 1/2 inch (1.3 cm) wide flowers are in umbel-like terminal clusters and have 5 reflexed petals and a hooded, central column. The leaves are linear and in whorls of 3 to 5 at the stem joints. A. verticillata has threadlike leaves and greenish flowers. |
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