Abstract
Epimedium elatum (Morren & Decne) is a rare perennial monotypic medicinal herb of Berberidaceae family, endemic to high altitude shady coniferous forests of Northwestern Himalayas in India. Traditionally, it has been used in local health care system for treatment of many ailments. In the present study, a total of ten RAPD markers were used for assessment of genetic diversity in twenty accessions of E. elatum, collected from diverse ecozones in Jammu and Kashmir. Ten primers amplified a total of 100 polymorphic bands with average of 10 bands per assay unit. Primer OPO-07 generated maximum number of bands (15) & produced highest polymorphic information content (0.39), marker index (5.96) and resolving power (8.9), thereby distinguishing E. elatum genotypes. The study showed moderate level of genetic polymorphism in twenty accessions of E. elatum. RAPD data set revealed association between genetic diversity and eco-geographic distribution of most E. elatum genotypes, and thereby proved useful tool for their genetic/molecular characterization. There is an urgent need for developing quick conservation strategies to save its natural germplasm from extinction in the Northwestern Himalayas.
Highlights
Epimedium elatum (Morren & Decne) is a perennial medicinal herb (Fig.1), endemic to high altitude shady coniferous forests of Northwestern Himalayas in India and Pakistan [1,2,3]
Genetic diversity of E. elatum was unreported and determination of same is essential for conserving rare medicinal plants [14,15,16,17]
All twenty accessions were identified by taxonomists at Kashmir University herbarium (KASH) & CSIR-IIIM Jammu herbarium (RRLH) respectively
Summary
Epimedium elatum (Morren & Decne) is a perennial medicinal herb (Fig.1), endemic to high altitude shady coniferous forests of Northwestern Himalayas in India and Pakistan [1,2,3]. This species was first reported from Kashmir Himalayas by European botanists [4,5,6,7] during their botanical expeditions in India. The plant has characteristic ‘three branches and nine leaves’ morphological pattern, common to most Epimedium species. Genetic diversity of E. elatum was unreported and determination of same is essential for conserving rare medicinal plants [14,15,16,17]
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