Results 31 to 40 of about 335 (142)
Pollination and plant reproduction in the Cerrado, the world's most biodiverse savanna. [PDF]
ABSTRACT The Brazilian Cerrado is a continental‐wide biodiversity hotspot and the most species‐rich savanna ecosystem in the world. The main aspect characterising this biodiversity is that the landscape is arranged as an intricate mosaic of different plant formations, including grasslands, savannas, and forests, each harbouring distinct but ...
Cardoso JCF +6 more
europepmc +2 more sources
Genetics of distyly and homostyly in a self-compatible Primula [PDF]
The transition from outcrossing to selfing through the breakdown of distyly to homostyly has occurred repeatedly among families of flowering plants. Homostyles can originate by major gene changes at the S-locus linkage group, or by unlinked polygenic modifiers.
Shuai, Yuan +5 more
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Dimorphic enantiostyly and its function for pollination by carpenter bees in a pollen-rewarding Caribbean bloodwort. [PDF]
Abstract Premise Flowers that present their anthers and stigma in close proximity can achieve precise animal‐mediated pollen transfer, but risk self‐pollination. One evolutionary solution is reciprocal herkogamy. Reciprocity of anther and style positions among different plants (i.e., a genetic dimorphism) is common in distylous plants, but very rare in
Johnson SD +5 more
europepmc +2 more sources
Reproductive Ecology of Distylous Shoreside Polygonum criopolitanum Hance
In this study, distyly was clearly confirmed in Polygonum criopolitanum Hance, which exhibited strict self-incompatibility. Unlike other distylous species, style-morph ratios of P.
Ming-Lin Chen +3 more
doaj +1 more source
Developmental variation and the evolution of distyly in Hedyotis caerulea (Rubiaceae) [PDF]
The development of distyly is thought to arise from differential growth patterns in the pin and thrum morphs. However, few detailed studies exist on the early floral development of distylous flowers, and fewer still look at variation in these traits among populations.
Sampson, Dennis A, Krebs, Robert A
openaire +2 more sources
It is hypothesized that in heterostylous plant species, standardization of signals of floral attraction between different morphs is advantageous, encouraging flower visitors to switch between morphs.
Xiaoyue Wang, Yan Chen, Yin Yi
doaj +1 more source
Distyly, Self-Incompatibility, and Evolution in Melochia [PDF]
The genus Melockia of the subfamily Hermannieae, Sterculiaceae, includes about 60 species which are widely distributed through the tropics, and, less extensively, through the temperate zone. An encounter with a distylic species, M. tomentosa L., on the desert island of Mona, suggested this study of selfand cross-incompatibility.
openaire +2 more sources
Nectar robbing can affect plant reproductive success directly by influencing female and male fitness, and indirectly by affecting pollinator behavior. Flowers have morphological and chemical features that may protect them from nectar robbers.
Xiaoyue Wang +4 more
doaj +1 more source
Distylous traits in Cordia dodecandra and Cordia sebestena (Boraginaceae) from the Yucatan Peninsula
Distyly is a genetically-controlled polymorphism with two floral morphs exhibiting spatial, reciprocal separation between stigmas and anthers; one morph has long styles and short stamens and the other short styles and long stamens.
César Canché-Collí, Azucena Canto
doaj +1 more source
Morphological characteristics and molecular markers of distyly in Primula obconica
Abstract Primula obconica is a perennial herbaceous flower of the Primulaceae that exhibits a distinct heterostyly. Long(L)- and short(S)- styled morphs differ substantially in various ways, and these variations can have a direct impact on how plants regulate their genetic makeup.
Jinfeng Li +4 more
openaire +1 more source

