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Have you seen Bridal Bouquet (Poranopsis paniculata)?
Hawaii Early Detection Network Priority Pest for the Big Island of Hawaii

Bridal Bouquet flowers
bridal bouquet flower stalk
Image: R.A. Howard Smithsonian Institution
Bridal Bouquet leaves and flowers
Close-up of leaves and flowers
Bridal Bouquet infestation
Infestation in Makawao, Maui
Images (middle, right): Forest & Kim Starr

Identification:Bridal bouquet, aka porana or Christmas vine, is a fast growing vine which has jumped the garden fence in Hawaii where it can grow up to 30 ft (9 m) into the canopy of trees. The leaves are heart-shaped leaves are fuzzy white underneath. The small, funnel-shaped, honey scented white flowers grow 5/16 in (0.8 cm) wide, in dense masses.
Impacts: This vine tends to persist long after it is planted and can naturalize after it is planted in gardens. In Hawaii, this plant recieved a low Hawaii Weed Risk Assessment score (-5) but has started to become naturalized on the islands of Maui, Oahu, Kauai, and in very limited areas on the Big Island in the Hamukua District. If you see it anywhere else on the island of Hawaii- let someone know!
Dispersal Mechanism: Bridal bouquet is moved around by humans as a garden or horticultural plant.

Bridal bouquet look-alikes:

Other morning glory vines (family Convolvulaceae):
Other members of the Convolvulaceae family will have leaves that look similar to the birdal bouquet leaves, which is also in this family. Flowers or fruit are needed for identification. See pictures of all Convulvulaceae in Hawaii.

sweet potato

The uala or sweet potato (Ipomoea batatas) is a member of the convolvulaceae family and has heart shaped leaves.
Image: Steven P. Perlman Smithsonian Institution

Last Updated: Monday January 30 2012. If you have any questions about the Hawaii Early Detection Network contact
Funding and support for this project was made possible by the Hawai'i Invasive Species Council, the USDA Forest Service State and Private Forestry assistance, and University of Hawai'i-Pacific Cooperative Studies Unit.