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September 12, 2010
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December 24, 2010
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Abstract

The present study was carried out in the erstwhile Jammu district which revealed the presence of 395 plant species belonging to 302 genera and 93 families. Fabaceae has been recorded as the largest family (25 genera / 42 species) followed by Asteraceae (24/29), Poaceae (21/23), Labiatae (12/17), Euphorbiaceae (9/16), Verbenaceae (9/10) etc. Thirty five families show monotypic representation in the area. 90.21% of the whole flora is represented by Dicots. The genus-species ratio has been evaluated as 1:30. The species when compared to Raunkiaer’s life form system (1934) reveal the preponderance of therophytes (38.23%) followed by phanerophytes (19.50%) thus indicating thero-phanerophytic type of phytoclimate.

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Biological spectrum Floristic composition Life forms Phytoclimate Phanerophytes Therophytes

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Raina, A. K., & Sharma, N. (2010). Floristic composition, life-form classification and biological spectrum of district Jammu, Jammu and Kashmir, North - Western Himalayas. Environment Conservation Journal, 11(3), 49–57. https://doi.org/10.36953/ECJ.2010.110310
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