This is a preview. Log in through your library . Abstract The secondary phloem of pecan is segmented by narrow rays into radial sectors of varying width. Irregular bands of fibers alternate with ...

This is a preview. Log in through your library . Abstract The secondary phloem of apple consists of sieve-tube elements, companion cells, phloem parenchyma cells, fiber-sclereids, and ray parenchyma ...

Figure 1: Phloem and xylem transport in plants. Plants possess different transport systems that can be classified according to the distance and the direction of transport. To assure that the ...

Plants come in all shapes and sizes, allowing them to fit into unique niches in the landscape, but they can be quite complex organisms. In order to select the most appropriate plants for a given ...

Just like animals, plants are made of tiny little cells. Like animal cells, basic plant cells have a nucleus, a cell membrane and cytoplasm. They've also got a vacuole, chloroplasts and a cell wall, ...