A study of the vasculatures of the mid-vein of some Nigerian Cucurbits
Abstract
A study of the vasculatures of the mid-vein of some members of Nigerian Cucurbitaceae was undertaken. Ten species representing eight genera were studied and there is a considerable variation in the number and pattern of arrangement of the vascular bundles recorded in all the genera.
The transactions of the mid-vein of the Cucurbit leaves are provided with three to seven bicollateral vascular bundles. The vasculature recorded in Cucurbits differs from what obtained in other group of plants with digitate/palmate leaves where the mid-veins are usually provided with a single vascular bundle of different sizes and shapes.
The taxonomic significance of the nature of the vasculature and the distribution of the vascular tissues in the mid-vein of the Cucurbits is discussed.
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