7 Result(s)
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Article
Open AccessPhenotypic differences among and within extant populations of Chrysanthemum arcticum L. and C. a. subsp. arcticum
Chrysanthemum arcticum, arctic daisy and its two subspecies (Chrysanthemum arcticum subsp. arcticum, Chrysanthemum arcticum subsp. polaré) are the only chrysanthemum species native to North America. A study on sp...
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Article
Open AccessVariability in ITS1 and ITS2 sequences of historic herbaria and extant (fresh) Phalaris species (Poaceae)
Phalaris species (Poaceae) occupy diverse environments throughout all continents except Antarctica. Phalaris arundinacea is an important forage, ornamental, wetland restoration and biofuel crop grown globally as...
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The Role of Ornamentals in Human Life
The integration of flowers in daily human life has a long history and substantiates our appreciation for their delicacy and wide variation in possible shapes and colours. Since the very early civilizations flo...
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Article
The transmitting tissue of Nicotiana tabacum is not essential to pollen tube growth, and its ablation can reverse prezygotic interspecific barriers
The Nicotiana tabacum transmitting tissue is a highly specialized file of metabolically active cells that is the pathway for pollen tubes from the stigma to the ovules where fertilization occurs. It is thought to...
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A novel pollen tube growth assay utilizing a transmitting tract-ablated Nicotiana tabacum style
Sexual plant reproduction requires multiple pollen–pistil interactions from the stigma (pollen adhesion, hydration, and germination) to the ovary (fertilization). Understanding the factors that regulate pollen...
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Creation of New Floral Products
The recent surge in popularity of new floral products has been due to a variety of factors. Annualization of perennials is one such factor and has primarily arisen due to the advent of ‘annualized’ perennials ...
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Article
Style morph frequencies in Minnesota populations of Lythrum (Lythraceae)
Style morph frequencies (short∶mid∶long) were determined for a total of n = 11 918 plants in 16 Minnesota populations of Lythrum salicaria L. Nine populations were in the establishment phase, with population size...
