Ophioglossum gujaratense, a new species from Gujarat State, India

被引：10
|
作者：
Patil, Sachin M. [1 ]
Kachhiyapatel, Ronak N. [1 ]
Patel, Ravi S. [1 ]
Rajput, Kishore S. [1 ]
机构：
[1] Maharaja Sayajirao Univ Baroda, Dept Bot, Lab Plant Anat & Pteridol, Vadodara 390002, Gujarat, India
来源：
PHYTOTAXA | 2018年 / 351卷 / 04期
关键词：
DNA barcode; leaf sheath; stoloniferous roots; pteridophytes; MULTIPLE SEQUENCE ALIGNMENT; PHYLOGENETIC TREES; CHLOROPLAST DNA; RBCL;
D O I：
10.11646/phytotaxa.351.4.3
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
A new species, Ophioglossum gujaratense, is described from Gujarat state (India). It resembles O. polyphyllum in the presence of sheathing rhizomorph and 1-4 (rarely 5) trophophylls. On the other hand, rhizomorph morphology, common stalk, trophophyll arrangement, leaf lamina and leaf base make it distinct from O. polyphyllum. Stoloniferous roots, trophophyll number and their arrangement of the new species also resemble O. parvifolium and O. nudicaule. However, both these species lack a sheath around the leaf-stem base. A comparative account of morphologically similar species, viz. O. gujaratense, O. polyphyllum, O. parvifolium and O. nudicaule is provided. The distinctness of the new taxon has been confirmed using molecular data from chloroplast genome markers viz rbcL, trnH-psbA, trnF-trnE and trnL-trnF.
引用
收藏
页码：273 / 280
页数：8
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