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来自巴基斯坦的一个新物种和新组。

: A new species and section from Pakistan.

作者信息

Khan Nazar, Friesen Nikolai, Sultan Amir, Fritsch Reinhard M, Khan Tahir, Ishaq Kamran

机构信息

Department of Botany, Government Degree College, Zhob, Balochistan, Pakistan.

Botanical Garden of Osnabrück University, Osnabrück, Germany.

出版信息

Front Plant Sci. 2022 Dec 14;13:1020440. doi: 10.3389/fpls.2022.1020440. eCollection 2022.

Abstract

A new species, , is described from northern Balochistan and southern Khyber Pakhtunkhwa in Pakistan based on morphological, molecular, and cytological studies. The new species is characterised by long runner-like cylindrical rhizomes of adult plants, cylindrical bulbs, linear leaves with minute soft hairs along veins, campanulate perigonium, and white to creamy white, ovate to elliptical, 4.5-5-mm-long acute tepals, with brownish to purplish nerves, stamens as long as to slightly longer than tepals, yellow to brick red anthers, hexagonal ovary, and white and papillate/warty along angles. The presence of long herbaceous rhizomes indicated serious isolation of the new species; hence, a new section is proposed to accommodate the new species. The new species is diploid with a chromosome number of 2n = 16. Detailed morphological description, illustrations, phylogenetic analyses based on sequences of plastid spacers (32-L (UAG) and Q-16) and nuclear ITS, karyotype features, and a distribution map of the new species are provided.

摘要

基于形态学、分子学和细胞学研究,在巴基斯坦俾路支省北部和开伯尔-普赫图赫瓦省南部描述了一个新物种。该新物种的特征是成年植株具长的匍匐茎状圆柱形根状茎、圆柱形鳞茎、沿叶脉具微小软毛的线形叶、钟形花被、白色至乳白色、卵形至椭圆形、长4.5 - 5毫米的锐尖花被片,具褐色至紫色脉纹,雄蕊与花被片等长或略长,花药黄色至砖红色,子房六边形,沿棱角白色且具乳头状/疣状突起。长的草本根状茎的存在表明该新物种处于严重隔离状态;因此,提议设立一个新组来容纳该新物种。该新物种为二倍体,染色体数为2n = 16。提供了详细的形态描述、插图、基于质体间隔区(32-L (UAG) 和Q-16)和核ITS序列的系统发育分析、核型特征以及该新物种的分布图。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1398/9795052/63ecb4938c9e/fpls-13-1020440-g001.jpg

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