Abstract
The present paper is the outcome of an extensive floristic survey conducted in two phases by the authors in Kyongnosla Alpine Sanctuary, East Sikkim, India. During the study 411 taxa (400 species, 04 subspecies and 07 varieties) belonging to 173 genera and 54 families were recorded. The most dominating family was Asteraceae with 44 species followed by Ericaceae 28 species, Ranunculaceae 26 species, Polygonaceae 24 species and Rosaceae 20 species. These five families represent 34.13% of the total taxa recorded from the sanctuary. About 12 families were represented by only one species each. The most dominating genus was Rhododendron (18 species) followed by Primula (16 species), Pedicularis (15 species), Gentiana (11 species), and Impatiens (10 species). Among the different growth forms, herbs contributed the maximum (86.61 %) followed by shrubs (7.79%), trees (4.87%), climbers 0.49%, and epiphyte (0.24%).
Highlights
Comprehensive documentation and identification of plant diversity is one of the targets of Global Strategy for Plant Conservation (GSPC)
Being a signatory of the Convention on Plant Diversity (CBD), India is committed towards achieving a complete inventory of plant diversity of all the protected and nonprotected areas (Singh & Dash 2015)
The enumeration comprises family names, correct scientific names followed by valid author citation, growth form, altitude ranges where they occur and collection details along with the field number and herbarium acronym in each of the columns
Summary
Comprehensive documentation and identification of plant diversity is one of the targets of Global Strategy for Plant Conservation (GSPC). Kyongnosla Alpine Sanctuary (KAS) situated in the East district of Sikkim (Figure 1) between 27022’33”N latitude and 88044’13”E longitude covers an area of 31 km2 between the elevation ranging from 3,000–4,500 m. The vegetation of the KAS comprises different ecological zones depending upon the elevation, viz., mixed Rhododendron temperate forest, coniferous forest along open slopes and ridges and alpine scrubs on upper reaches.
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