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A genome for gnetophytes and early evolution of seed plants
A high-quality draft genome sequence for Gnetum montanum is reported, the first for any gnetophyte, enabling a better resolution of ancestral genomic features within seed plants, and the identification of genomic characters that distinguish gnetum from other gymnosperms. Expand
Multifunctional Bracts in the Dove Tree Davidia involucrata (Nyssaceae: Cornales): Rain Protection and Pollinator Attraction
- Ji-Fan Sun, Yanbing Gong, S. Renner, Shuang-Quan Huang
- Biology, Medicine
- The American Naturalist
- 12 November 2007
Experimental immersion of pollen grains in water resulted in rapid loss of viability, and capitula with bracts lost less pollen to rain than did capitula that had their bractS removed, suggesting that the bractes protect the pollen from rain damage as well as attracting pollinators. Expand
Floral symmetry: pollinator-mediated stabilizing selection on flower size in bilateral species
- Yanbing Gong, Shuang-Quan Huang
- Biology, Medicine
- Proceedings of the Royal Society B: Biological…
- 22 November 2009
Investigating plant–pollinator interactions from a whole community in an alpine meadow in Hengduan Mountains, China, shows that bilateral species had less variance in flower size and were visited by fewer pollinator groups, consistent with the PMSS hypothesis. Expand
Wind or insect pollination? Ambophily in a subtropical gymnosperm Gnetum parvifolium (Gnetales)
Pollination treatments applied to Gnetum parvifolium in southern China revealed this rare and endangered species to be pollen limited and incapable of apomixis, suggesting that wind may also play a role in the pollination of the ancient Gnetales. Expand
Geography Plays a More Important Role than Soil Composition on Structuring Genetic Variation of Pseudometallophyte Commelina communis
It is demonstrated that the extreme edaphic conditions in metalliferous areas had limited effects on the genetic variability in C. communis, and Geographic distance played a more important role in affecting the genetic structure of C. Communis than soil composition did. Expand
Temporal stability of pollinator preference in an alpine plant community and its implications for the evolution of floral traits
The results suggest that temporally stabilized preferences of diverse pollinators may contribute to the evolution of specialized versus generalized floral traits; however, their role may be moderated by variation in community structure, including both the composition and abundance of plants and pollinators. Expand
Are Pollination “Syndromes” Predictive? Asian Dalechampia Fit Neotropical Models
Phenotypic selection analyses and estimation of adaptive surfaces and adaptive accuracies together suggest that the blossoms of D. bidentata are well adapted to pollination by their most common floral visitors. Expand
Nectar yeasts enhance the interaction between Clematis akebioides and its bumblebee pollinator.
The volatiles produced by the metabolism of M. reukaufii may serve as an honest signal to attract bumblebee pollinators and indirectly promote the female reproductive fitness of C. akebioides, forming a potentially tripartite plant-microbe-pollinator mutualism. Expand
Interspecific variation in pollen-ovule ratio is negatively correlated with pollen transfer efficiency in a natural community.
A PE index is used, defined as the proportion of pollen grains removed from anthers that are subsequently deposited on conspecific stigmas, as a direct and quantitative measure of PE, to indicate that the pollination efficiency hypothesis can help to explain interspecific variation in P:O ratios. Expand
Forecasting pollination declines through DNA barcoding: the potential contributions of macroecological and macroevolutionary scales of inquiry.
How advances in DNA barcoding and metabarcoding of plants and pollinators have brought important developments to the understanding of specialization in plant-pollinator interactions is reviewed. Expand