Biosystematic Studies of Vaccinium Section Macropelma (Ericaeae) in Hawaii
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1993-01
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University of Hawaii Press
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Abstract
A survey of seed and seedling morphology of the three Hawaiian
species of Vaccinium sect. Macropelma (V. calycinum Smith, V. den tatum Smith,
and V. reticulatum Smith) revealed that seed shape, size, and seed coat sculpture
showed little interspecific variation and that the primary shoots bore similar,
thick, coarsely serrate, dorsally glandular green leaves. In certain populations
of V. reticulatum subsequent eophylls may retain such leaves for the life of the
plant. Selfing and crossing experiments demonstrated that each of the three
species is self-compatible, especially V. calycinum, where selfing produces more
seeds than outcrossing. Cleistogamous flowers have also been observed in V.
calycinum. Interspecific hybrids are viable and resemble two taxa described by
Skottsberg.
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Kloet SPV. 1993. Biosystematic studies of Vaccinium section Macropelma (Ericaeae) in Hawaii. Pac Sci 47(1): 76-85.
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