Stamen dimorphism in Rhododendron ferrugineum (Ericaceae): development and function
نویسندگان
چکیده
منابع مشابه
Stamen dimorphism in Rhododendron ferrugineum (Ericaceae): development and function.
The function of stamen dimorphism in the breeding system of the alpine shrub Rhododendron ferrugineum was studied in two populations in the French Alps. This species has pentameric flowers with two whorls of stamens: an inner whorl of five long stamens and an outer whorl of short stamens. We studied the development of stamens from buds to mature flowers (measurement of the filament, anther, and...
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Genetic variation within plant species is determined by a number of factors such as reproductive mode, breeding system, life history traits and climatic events. In alpine regions, plants experience heterogenic abiotic conditions that influence the population's genetic structure. The aim of this study was to investigate the genetic structure and phylogeographic history of the subalpine shrub Rho...
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PREMISE OF THE STUDY To estimate the genetic variation of Rhododendron ovatum (Ericaceae), a monoecious evergreen shrub, 23 microsatellite markers were identified from its nuclear genome. METHODS AND RESULTS We developed 16 polymorphic and seven monomorphic microsatellite primers using the biotin-streptavidin capture method. The 16 polymorphic loci were investigated further using 89 individua...
متن کاملStamen structure and function.
Stamens are the male reproductive organs of flowering plants. They consist of an anther, the site of pollen development, and in most species a stalk-like filament, which transmits water and nutrients to the anther and positions it to aid pollen dispersal. Within the anther, male sporogenous cells differentiate and undergo meiosis to produce microspores, which give rise to pollen grains, whereas...
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ژورنال
عنوان ژورنال: American Journal of Botany
سال: 2001
ISSN: 0002-9122
DOI: 10.2307/2657128