Ontology highlight
ABSTRACT:
SUBMITTER: Zhang C
PROVIDER: S-EPMC3970119 | biostudies-literature | 2014 Mar
REPOSITORIES: biostudies-literature
Zhang Chan C Yang Yong-Ping YP Duan Yuan-Wen YW
Scientific reports 20140331
Various biotic and abiotic factors are known to exert selection pressures on floral traits, but the influence of ultraviolet-B (UV-B) light on the evolution of flower structure remains relatively unexplored. We have examined the effectiveness of flower structure in blocking radiation and the effects of UV-B on pollen viability in 42 species of alpine plants in the Hengduan Mountains, China. Floral forms were categorized as either protecting or exposing pollen grains to UV-B. The floral materials ...[more]