Floristic Study of Alpine Plants of Nizwa Mountain, Semnan Province

Rabizadeh , Fatemeh; Bahadori, Farzane; Naseri, Somayeh

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Volume 13, Issue 26 (9-2025)

PEC 2025, 13(26): 198-225

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Floristic Study of Alpine Plants of Nizwa Mountain, Semnan Province

Fatemeh Rabizadeh ^*

, Farzane Bahadori²

, Somayeh Naseri²

Department of biology, Farzanegan Campus, Semnan University, Iran & Department of biology, Farzanegan Campus, Semnan University, Iran, Department of biology, Farzanegan Campus, Semnan University, Iran , f.rabizade@semnan.ac.ir
2- Forests and Rangelands Research Department, Semnan Agricultural and Natural Resources Research and Education Center, AREEO, Semnan, Iran

Abstract: (1197 Views)

A floristic survey is crucial for understanding the plant species and their distribution within a region, serving as a foundational document for ecological studies in each area . This study aimed to compile a comprehensive list of alpine plants found on Nizwa Mountain in Semnan Province, focusing on the highest altitudes. Plant samples were collected and identified during field surveys conducted in 2022 and 2023. A total of 193 species belonging to 37 families and 116 genera were recorded. The most represented families were Asteraceae (45 species), Boraginaceae (15 species), Fabaceae (11 species), Lamiaceae (9 species), Aliaceae (8 species), Poaceae (7 species), Cyperaceae (7 species), and Caryophyllaceae (6 species). Boraginaceae family was particularly abundant in the alpine flora of Nizwa. The region is geographically situated between the Euro-Siberian and Irano-Turanian plant geographical regions, with 61% of species belonging to Turani region . Common species from both regions constituted 31% of the flora. The endemism ratio was notably higher than the average for Iranian flora (22–25%), indicating that Nizwa Mountain is located in a transitional zone within the plant kingdom.

Article number: 13

Keywords: Alpine, Endemic, Nizwa, Plants, Flora, Semnan

Full-Text [PDF 3690 kb] (562 Downloads)

Type of Study: Research | Subject: Special
Received: 2024/11/23 | Accepted: 2025/01/22 | Published: 2025/09/16

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Rabizadeh F, Bahadori F, Naseri S. Floristic Study of Alpine Plants of Nizwa Mountain, Semnan Province. PEC 2025; 13 (26) : 13
URL: http://pec.gonbad.ac.ir/article-1-1005-en.html

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