Abstract

Hopea glabra Wight & Arn. and Hopea utilis (Bedd.) Bole are two little-known highly threatened endemic dipterocarps distributed in evergreen forests of the Western Ghats. Although literature surveys and herbarium records show occurrence of these species in different forest areas of Kerala, the present study could locate Hopea glabra from the Silent Valley National Park and Hopea utilis from Shankili forests in Kulathupuza range, enabling the portrayal of current distribution, basic ecology covering phenology, species association, regeneration and conservation status along with taxonomic notes.

Highlights

  • The genus Hopea Roxb., one of the economically and ecologically dominant genera, belongs to the family Dipterocarpaceae and comprises around 102 species mostly of Indo-malayan in distribution (Mabberley 2008)

  • Hopea glabra and Hopea utilis are two little known highly threatened dipterocarp trees found in evergreen forests of the Western Ghats

  • Two Western Ghats endemic Hopea trees collection records and literature surveys indicate that these two species occur only in the southern part of the Western Ghats and in the present study the current distribution, basic ecology and conservation status along with taxonomic notes are provided

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Summary

Introduction

The genus Hopea Roxb., one of the economically and ecologically dominant genera, belongs to the family Dipterocarpaceae and comprises around 102 species mostly of Indo-malayan in distribution (Mabberley 2008). In India, the genus is represented by 11 species distributed in evergreen forests of the Western Ghats and northeastern India (Janardhanan 1993).

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