Passiflora incarnata (Passifloraceae): a new fruit crop
1999
McGuire, C.M.
Passiflora incarnata:A New Fruit Crop. Economic Botany 53(2): 161–176, 1999. Passiflora incarnata bears flavorful fruits consumed by past and present peoples, and this plant deserves greater use as a fruit crop. Native to southeastern North America, it is an herbaceous perennial vine which flowers and fruits over much of the growing season. P. incarnata is self-incompatible and usually pollinated by carpenter bees (Xylocopa spp.). Plants are functionally andromonoecious, and low resource status favors male flower production and thus reduces fruit set. The fruits contain many seeds, each surrounded by an aril holding edible juice, and this juice can be consumed fresh or used in processed products. Because it is a minor agricultural weed, P. incarnata should not be introduced into regions where it may naturalize. Polyploid hybrids of P. incarnata and the subtropical and tropical passionfruit, P. edulis, are also potential temperate fruit crops. Future research on P. incarnata should evaluate intraspecific genetic variation and performance in cultivation.
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