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Reproductive Ecology Of Pinckneya Bracteata (Bartram) Raflnesque (Rubiaceae), George H. Rountree
Reproductive Ecology Of Pinckneya Bracteata (Bartram) Raflnesque (Rubiaceae), George H. Rountree
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Pinckneya bracteata is a small tree or large shrub that is indigenous to the coastal plain of extreme southern South Carolina, Georgia, and northern Florida. It in occurs in sunny, wet habitats and in small populations that are usually separated by distances of kilometers. This study examined the mating, dispersal, and germination systems of the species. Pinckneya bracteata was found to be protandrous and self incompatible. Ruby-throated Hummingbirds and bumblebees ( Bombus spp. appear to be the primary pollinators. Seed fall velocity is important to the wind dispersal of seeds and decreases as seed size increases. Fall velocity is also …