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Resource limitation and pollen source (self and outcross) affecting seed production in two louseworts, Pedicularis siphonantha and P. longiflora (Orobanchaceae)
Two animal-pollinated hermaphrodite plants, Pedicularis siphonantha and P. longiflora, have been used to investigate factors limiting seed production in natural populations. To evaluate the potentialExpand
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Anther appendages of Incarvillea trigger a pollen-dispensing mechanism.
BACKGROUND AND AIMS Anther appendages play diverse roles in anther dehiscence and pollen dispersal. This study aims to explore the pollen-dispensing mechanism triggered by special anther appendagesExpand
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Within-season adjustment of sex expression in females and hermaphrodites of the clonal gynodioecious herb Glechoma longituba (Lamiaceae)
The within-season modification or adjustment of sex expression was studied in the gynodioecious herb Glechoma longituba. The results from seven natural populations indicated that the seed sets ofExpand
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Nuclear and chloroplast DNA sequences data support the origin of Potamogeton intortusifolius J.B. He in China as a hybrid between P. perfoliatus Linn. and P. wrightii Morong.
Abstract Internal transcribed spacers (ITS) of nuclear ribosomal DNA and chloroplast rbc L gene sequence data were used to test the hypothesis that natural populations of Potamogeton intortusifoliusExpand
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Identification of hybrids in broad-leaved Potamogeton species (Potamogetonaceae) in China using nuclear and chloroplast DNA sequence data
Hybridization is relatively frequent in the pondweed genus Potamogeton. A total of five putative hybrids of broad-leaved Potamogeton in China were collected in our recent investigations. We usedExpand
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Nectarless flowers with deep corolla tubes in Pedicularis: does long pistil length provide an arena for male competition?
Pollinator-mediated selection does not seem to have a direct influence on the evolution of a long corolla tube in a nectarless flower. We hypothesized that the long pistil length of the nectarlessExpand
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Competition and facilitation among plants for pollination: can pollinator abundance shift the plant–plant interactions?
We hypothesize interactions among plants for pollination may depend on pollinator abundance, which always varies among years and habitats and has different effects on plant reproductive success.Expand
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Change of Floral Orientation within an Inflorescence Affects Pollinator Behavior and Pollination Efficiency in a Bee-Pollinated Plant, Corydalis sheareri
Vertical raceme or spike inflorescences that are bee-pollinated tend to present their flowers horizontally. Horizontal presentation of flowers is hypothesized to enhance pollinator recognition andExpand
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Pollinators shift to nectar robbers when florivory occurs, with effects on reproductive success in Iris bulleyana (Iridaceae).
Studies have indicated that florivory and nectar robbing may reduce reproductive success of host plants. However, whether and how these effects might interact when plants are simultaneously attackedExpand
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Nectar replenishment maintains the neutral effects of nectar robbing on female reproductive success of Salvia przewalskii (Lamiaceae), a plant pollinated and robbed by bumble bees
Background and Aims It has been suggested that the dynamics of nectar replenishment could differ for flowers after being nectar robbed or visited legitimately, but further experimental work is neededExpand
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