Chasmogamous and Cleistogamous Reproductive Phenology in Viola rotundifolia at Ricketts Glen State Park, PA

IF 0.5 4区 环境科学与生态学 Q4 BIODIVERSITY CONSERVATION
G. P. Chamuris
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引用次数: 0

Abstract

Abstract - I conducted a survey of individuals of Viola rotundifolia Michx. (Roundleaf Yellow Violet) during the spring and summer of 2021 in order to determine flowering and fruiting phenologies and to assess the extent to which individuals display chasmogamous (open) and cleistogamous (closed) flowering and fruiting at Ricketts Glen State Park in northeastern Pennsylvania. A total of 171 plants were marked and observed weekly. The majority of plants (73%) displayed chasmogamous flowering, with 65% displaying chasmogamous flowering exclusively. Cleistogamous flowering was displayed by 27% of the plants, with 19% being exclusively cleistogamous. Both conditions were displayed by 8% of the plants, and 8% remained vegetative. Among the plants assessed, 20 chasmogamous and 7 cleistogamous capsules were excised and removed, presumably by a small mammal or slug.
宾夕法尼亚州里基茨格伦州立公园圆叶堇菜的狭交和闭交生殖物候学
摘要——我对圆叶紫百合的个体进行了调查。(Roundleaf Yellow Violet),以确定开花和结果的酚类,并评估个体在宾夕法尼亚州东北部的里基茨格伦州立公园表现出裂殖(开放)和闭殖(封闭)开花和结果。每周对171株植物进行标记和观察。大多数植物(73%)表现出裂缝性开花,65%的植物只表现出裂缝状开花。27%的植物表现出双花型,其中19%的植物完全为双花型。8%的植物表现出这两种情况,8%的植物保持营养状态。在所评估的植物中,20个裂殖和7个裂殖囊被切除,可能是由一种小型哺乳动物或蛞蝓切除的。
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来源期刊
Northeastern Naturalist
Northeastern Naturalist 环境科学-生态学
CiteScore
1.10
自引率
0.00%
发文量
42
审稿时长
18-36 weeks
期刊介绍: The Northeastern Naturalist covers all aspects of the natural history sciences of terrestrial, freshwater, and marine organisms and the environments of the northeastern portion of North America, roughly bounded from Virginia to Missouri, north to Minnesota and Nunavut, east to Newfoundland, and south back to Virginia. Manuscripts based on field studies outside of this region that provide information on species within this region may be considered at the Editor’s discretion. The journal welcomes manuscripts based on observations and research focused on the biology of terrestrial, freshwater, and marine organisms and communities as it relates to their life histories and their function within, use of, and adaptation to the environment and the habitats in which they are found, as well as on the ecology and conservation of species and habitats. Such studies may encompass measurements, surveys, and/or experiments in the field, under lab conditions, or utilizing museum and herbarium specimens. Subject areas include, but are not limited to, anatomy, behavior, biogeography, biology, conservation, evolution, ecology, genetics, parasitology, physiology, population biology, and taxonomy. Strict lab, modeling, and simulation studies on natural history aspects of the region, without any field component, will be considered for publication as long as the research has direct and clear significance to field naturalists and the manuscript discusses these implications.
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