Wildflowers of Tucson, Arizona
Pink Wildflower
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Trianthema portulacastrum - Desert Horsepurslane Trianthema portulacastrum - Desert Horsepurslane
Scientific Name: Trianthema portulacastrum
Common Name: Desert Horsepurslane, Desert Horse-purslane
Flower Color: Pink
Plant Type: Herb, Annual, Perennial
Height: To 39 inches (99 cm) tall, but often less
Date Observed: September 10, 2005
Notes: The tiny, 5-lobed flowers are only open in the morning. The leaves are succulent, oval-shaped, in opposite pairs of unequal size, and are edible. The fleshy stems are often prostrate and reddish. This native plant is an invasive weed in irrigated areas.
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