Rhododendrons in Indian Himalayan Region: Diversity and Conservation
Rhododendrons in Indian Himalayan Region: Diversity and Conservation作者机构：不详
出 版 物：《American Journal of Plant Sciences》 (美国植物学期刊（英文）)
年 卷 期：2010年第1卷第2期
页 面：131-137页
学科分类：1002[医学-临床医学] 100214[医学-肿瘤学] 10[医学]
主 题：Rhododendrons Indian Himalayan Region Ericaceae India
摘 要：The genus Rhododendron of Indian Himalayan Region (IHR) has been enumerated in the present paper. A total of 87 species, 12 subspecies and 8 varieties of Rhododendrons recorded in IHR, among these 6 species and one subspecies are reported from Western Himalaya. The maximum concentration of 86% observed in Arunachal Pradesh (75 species). The species of Rhododendrons exhibit significant diversity in habit and broad range of distribution from the altitude of 800-6000 m. and the best range is observed in 3001-3500 m altitudes. In analysis revealed 20 taxa are endemic, 30 are rare, 24 are threatened / endangered, 3 are vulnerable and 47 taxa have to be assessed. The major threats to rhododendrons are deforestation and unsustainable extraction for firewood and incense by local people has been discussed.
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