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Leaf architectural studies in the brassicaceae

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Abstract

The leaf architecture has been studied in 19 genera and 35 species of the Brassicaceae. The major venation pattern is pinnate craspedodromous with the exception ofAlyssum maritimum, Iberis amara, I. umbellata andMalcolmia maritima where it is pinnate-festooned brochidodromous. The number of secondary veins and their angle of divergence vary from species to species and even within the same species. Marginal ultimate venation is mostly looped occasionally incomplete. The areole size and shape is variable. The veinlets may be simple or once or twice dichotomously divided. The simple veinlets may be curved or hooked. The tracheids are either uni-, bi-, tri- or multiseriate and extraordinarily variable in size and shape. Isolated vein endings, isolated free vein endings, isolated tracheids and extension cells are observed. Myrosin cells have been observed inEruca vesicaria ssp.sativa andCochlearia cochlearioides.

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Rao, N.V., Inamdar, J.A. Leaf architectural studies in the brassicaceae. Bot Mag Tokyo 96, 15–28 (1983). https://doi.org/10.1007/BF02489571

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