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Merremia tuberosa
The flowers are morning-glory-like, funnel-shaped, and 2 1/3 inches (6 cm) across. The flowers are followed by distinctive, shiny, light brown, wooden rose-like seed capsules containing 4 large, black seeds. The unusual seed capsules can be used in dried flower arrangements. The leaves are green, hairless, alternate, and palmately lobed with usually 7 lanceolate to elliptic lobes with pointed, tapering tips. The central leaf lobe is the largest. The stems are slender, hairless, twining, and green near the tips and woody near the base. Here in Hawaii, Woodrose vines grow in low to middle elevation, mesic (moderately wet) forests.
These vines were growing up into the trees near the arboretum parking lot.
Introduced. This naturalized ornamental garden plant is native to Mexico and Central America, but it is now a pantropical weed.
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