Swertia jayantii (Gentianaceae): a new species from North-East India

被引：0
|
作者：
Srivastava, Amber [1 ]
Khuraijam, Jibankumar singh [1 ]
机构：
[1] Natl Bot Res Inst, Bot Garden Div, CSIR, Rana Pratap Marg, Lucknow 226001, Uttar Pradesh, India
来源：
PHYTOTAXA | 2024年 / 640卷 / 01期
关键词：
Gentianeae; Meghalaya; Ophelia; Swertiinae; Taxonomy; KASHMIR HIMALAYA;
D O I：
10.11646/phytotaxa.640.1.6
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Swertia jayantii (Gentianaceae), a new species from Jaintia hills, Meghalaya, India is described here with photographic illustration. The new species is described under Swertia subgenus Ophelia sect. Ophelia due to the presence of single, naked nectary on each corolla lobe. It closely resembles S. cordata in having corolla lobes with blue-purple veins and quadrangular, narrowly winged stem. However, it can be distinguished by its deltoid-shaped nectary, calyx lobes shorter than corolla lobes, and obtuse leaf base. A taxonomic description showing detailed morphological characters with a key to the closely related species is provided here to facilitate its proper identification.
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页码：57 / 64
页数：8
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