The impact factor and taxonomy

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BSI contribution to floral documentation and conservation

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Livelihood and Revenue: Role of rattans among Mongoloid tribes and settlers of Andaman and Nicobar Islands, India

The Andaman and Nicobar Islands, located in the Andaman Sea between peninsular India and Indo-Malaya, are part of two of the 34 mega-diversity hotspots of the world. These islands are characterized by their unique vegetation types such as littoral, mangroves, wet and semi-evergreen forests, and rainforests and for being the home for six aboriginal tribes of Negrito and Mongoloid descent. The islands are also home to a number of migrants and “settlers” from the Indian mainland and Myanmar. The aboriginal tribes and the settlers have a long history of association with the island’s bioresources. In this paper, we survey the ethnic uses of rattans, the unique climbing palms, about 63% of which are endemic to these islands. Our ethnobotanical survey revealed several uses of rattans by the Nicobarese and Shompens, the two major ethnic communities of the Nicobar Islands. In this study, besides the ethnic uses, we also estimated the revenue generated among those involved in the rattan trade (collectors, processors, and exporters)

Isomerism in flowers of Azanza Lampas Dalz ( Malvaceae)

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A note on the cytology of Hibiscus Punctatus Dalz, (Malvaceae)

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A note on the distribution of Mastersia assamica Benth. (Fabaceae - Papilionoideae)

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Indigofera pedicellata Wight & Arn. A new record for Taiwan

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THE GENUS INDIGOFERA L. (FABACEAE - PAPILIONOIDEAE) IN BURMA

26 species of Indigofera are found in Burma. It includes 2 new species (/. maymyoensis and /. meghcdayensis) and a new record (/. seabrida). A key is provided to the species recognised; descriptions, distributions and phenology are given. The specimens examined are cited.<br /

A revision of the genus Humboldtia Vahl. (Leguminosae: Caesalpinioideae)

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Further studies on karyomorphology of the genus Indigofera L. (Fabaceae-Papilionoideae)

The present communication deals with the chromosome number and karyotype analysis of seven species of the genus Indigofera. The karyotype study is made for the first time in the species investigated here. Among the seven species studied, four are diploids with 2n=16 (I. vicioides, I. arrecta, I. duthiei and I. spicata), one is a tetraploid with 2n=32 (I. angulosa) and two are hexaploids with 2n=48 (I. heterantha and I. amblyantha). The basic chromosome number x=8 for the genus is supported by this work. Karyotype analysis revealed that I. duthiei is primitive and I. amblyantha the advanced, the five other species are being intermediate be-tween these two. The chromosomes showed only nearly median and nearly submedian centromeres. The karyotypes further, show that structural changes and to a certain extent polyploidy might have played an important role in speciation and evolution of the genus