Wildflowers of Tucson, Arizona
White Wildflower
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Asclepias linaria - Pineneedle Milkweed (Pine-Needle Milkweed) - Juniper Hairstreak (Callophrys gryneus) butterfly Asclepias linaria - Pineneedle Milkweed (Pine-Needle Milkweed)
Scientific Name: Asclepias linaria
Common Name: Pineneedle Milkweed, Pine-Needle Milkweed, Needle-Leaf Milkweed
Flower Color: White
Plant Type: Subshrub, Herb, Perennial
Height: To 5 feet (1.5 m) tall, but usually less
Date Observed: April 16, 2005 & January 29, 2005
Notes: The clustering flowers have pink buds and 5 reflexed petals with an erect hood extending beyond the central column. The seed capsules are teardrop-shaped and 2 inches (5 cm) long. The linear, pine needle-like leaves densely line the stems.
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