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Scanning electron microscopic studies on the seedcoat surface patterns of South Indian species ofLindernia All. (Scrophulariaceae)

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Proceedings / Indian Academy of Sciences

Abstract

Seeds of fourteen species ofLindernia All., from South India were studied by scanning electron microscopy as to their surface ultrastructure. Results show some correspondence with the subgeneric classification proposed by Philcox. Seeds are broadly of two types, ribbed and unribbed. Sect.Bonnaya is rather homogeneous having unribbed seeds whereas all other sections studied possess prominently or faintly ribbed seeds. The ornamentation patterns however, do not give such a correlation. The seedcoat surfaces are either foveolate or pitted and with minute excrescences of different kinds—granular, fibrillar, filamentous or dagger-shaped. Taxonomic implications of the characters in the investigated species are discussed.

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Sivarajan, V.V. Scanning electron microscopic studies on the seedcoat surface patterns of South Indian species ofLindernia All. (Scrophulariaceae). Proc. Indian Acad. Sci. 90, 499–508 (1981). https://doi.org/10.1007/BF03052949

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  • DOI: https://doi.org/10.1007/BF03052949

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