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Aristolochia watsonii

Aristolochia watsonii
Watson's pipevine

Common name Watson's pipevine
Family aristolochiaceae
Life cycle perennial (Z8)
Flowers green/brown
Size 12"
Light sun-part shade
Cultural notes well drained soil, heat and drought tolerant

Low-growing pipevine species: the vines can grow up to 3 ft long, but tend to grow to form a mat rather than twine upward. Native to the U.S. Southwest, it is host to the pipevine swallowtail caterpillars, who have developed immunity to the plant's toxins. Curiously shaped flowers are pollinated by small flies, which explains why they smell musty rather than sweet.

In our garden, this plant grows in the following areas: back fence border, Houston rock garden

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Last modified: March 15, 2018
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