Water loss through the open stomates is called transpiration. Diagrams of leaf structure can be found at this site. Diagrams can also be found at Ross Konings site. 1. petiole and blade. The pattern of venation is either pinnate or palmate.
Monocots have primarily parallel venation.
Visit this excellent site for more images. A. Function of flower is plant reproduction. Sepals protect the bud and are sometimes very petal-like. Petals a. are often large and brightly-colored, but can be small and inconspicuous. Their origin is from a leaf and not the floral structure.