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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >On the disappearance of palm genus Nypa from the west coast with its present status in the Indian subcontinent
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On the disappearance of palm genus Nypa from the west coast with its present status in the Indian subcontinent

机译:尼帕棕榈属从西海岸消失的现状及其在印度次大陆的地位

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摘要

Fossil pollen grains (Figure 1) of the palm genus Nypa described under Spinizono-colpites have been reported from the west coast of India in the Tertiary sediments of the Warkalli and Quilon formations in Kerala, and in the sediments of the Ratnagiri Beds in Maharashtra. However, this monotypic genus represented by extant species Nypa fruticans (Thunberg) Wrumb., does not exist on the west coast of India. This study is based upon observations made on the Ratnagiri Beds exposed along the west coast of Maharashtra (Figure 2).
机译:据报道,在印度的西海岸,喀拉拉邦的Warkalli和Quilon地层的第三系沉积物,以及马哈拉施特拉邦的拉特纳吉里河床的沉积物中,在Spinizono-colpites下描述的棕榈属Nypa的化石花粉粒(图1)。但是,以现存种Nypa fruticans(Thunberg)Wrumb。为代表的这种单型属在印度西海岸并不存在。这项研究基于对马哈拉施特拉邦西海岸暴露的拉特纳吉里河床的观测(图2)。

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