The Nyctaginaceae Juss. family has six genera and fourteen species in India, with Pisonia L. being the most important due to its woody, arborescent habit, differential leaf arrangement pattern, presence of unisexual, hermaphrodite, and polymorphic flowers in the same and or different plants, unique anthocarp characteristics, and distinct types of pollen grains. The first author focused on the genus Pisonia L. during the taxonomic review of the Nyctaginaceae family in India, with a detailed explanation of infra-generic taxa. The current study looks at the current state of pisonia L. species in the Andaman and Nicobar Islands, as well as their proper nomenclature, diagnostic features, phenology, ecology, distribution, and usage. A key has been provided to aid in the identification of the species. A proposal was made to protect members of the genus Pisonia that have a limited distribution. The genus is a unique representative of the Nyctaginaceae family due to its distinctive woody habit, unisexual bloom, and peculiar type of anthocarp.
Author(S) Details
Debasmita Dutta Pramanick
Botanical Survey of India, Publication Section, CGO Complex, 3rd MSO Building, DF Block, Sector-1, Salt Lake City, Kolkata-700 064, India.
G. G. Maiti
Department of Botany, Kalyani University, Kalyani, West Bengal-741235, India.
M. S. Mondal
Botanical Survey of India, Central National Herbarium, Botanical Survey of India, India.
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