Global Collaborative Research on the Pollination Biology of Rare and Threatened Orchid Species (Orchidaceae)1

IF 1.1 3区生物学 Q3 PLANT SCIENCES

Annals of the Missouri Botanical Garden Pub Date : 2017-08-01 DOI:10.3417/D-16-00005A

P. Bernhardt, Retha Edens-Meier, W. Grimm, Zongxin Ren, Brian Towle

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引用次数: 9

Abstract

Abstract Charles Darwin (1862, 1877) conducted field and lab research on orchid pollination mechanisms before any protocols or laws protected orchid species or individual populations. Information on the reproductive ecology of rare and threatened orchids remains intrinsic to their conservation as populations continue to diminish during the Anthropocene. We provide case studies of species representing five genera (Calanthe R. Br., Corunastylis Fitzg., Cypripedium L., Spiranthes Rich., and Thelymitra J. R. Forst. & G. Forst.) in three countries (the United States, Australia, and China). We compare differences in their pollination systems and seasonal variations in their fertility rates. Declining rates of fruit set and/or seed development are compared to breeding systems, pollinator life histories/foraging behaviors, and climate cycles. We conclude that, while some orchid species are pollinator limited, several interrelated factors influence rates of fecundity in terrestrial/lithophytic orchids.

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珍稀濒危兰科植物传粉生物学的全球合作研究

查尔斯·达尔文(1862,1877)在任何保护兰花物种或个体种群的协议或法律出台之前，就对兰花授粉机制进行了实地和实验室研究。在人类世，随着兰花数量的不断减少，珍稀和濒危兰花的生殖生态信息仍然是保护兰花的内在因素。我们提供了代表五个属的物种的案例研究(Calanthe R. Br.)。菲茨(Corunastylis Fitzg)。，杓兰属，绣线菊。特利米特拉·j·r·福斯特。& G.福斯特)在三个国家(美国、澳大利亚和中国)。我们比较了它们传粉系统的差异和它们生育率的季节性变化。将坐果和/或种子发育的下降率与育种系统、传粉者的生活史/觅食行为和气候周期进行比较。我们认为，虽然一些兰花种类受传粉者的限制，但有几个相互关联的因素影响着陆生/石生兰花的繁殖力。

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来源期刊

Annals of the Missouri Botanical Garden 生物-植物科学

CiteScore

3.60

自引率

0.00%

发文量

期刊介绍： The Annals of the Missouri Botanical Garden is a quarterly international journal primarily devoted to systematic botany and evolutionary biology. We encourage submissions of original papers dealing with significant advances in the taxonomy, phylogeny, biogeography, paleobiology, and evolution of plants, and in conservation genetics and biology, restoration ecology, and ethnobiology, using morphological and/or molecular characters, field observations, and/or database information. We also welcome reviews and papers on conceptual issues and new methodologies in systematics. Important floristic works will also be considered. Symposium proceedings discussing a broader range of topical biological subjects are also published, typically once a year. All manuscripts are peer-reviewed by qualified and independent reviewers.