The specialized stipules of Polygonaceae (Buckwheat family) are fused and formed into a tube around the stem. This is known as:

Equitant leaves are a specialized type of which leaf arrangement:

An example of a marcescent-leaved plant is Acer floridanum, the leaves of which remain on the plant for quite some time after they have died.

Which of the following structures in orchids are the least elaborated and least complicated:

A lenticel is a site on a stem that aids in gas exchange between the outside atmosphere and the tissues inside the stem.

If you went to a specific place in South Africa where large numbers of succulent species are found and created the “Thickleafaceae,” it would no doubt be:

The three recognizable parts one sees when cutting through a bell pepper are:

To make your own key, it is best to first create a data matrix.

Zea (corn), Oryza (rice), and Triticum (wheat) all belong to which family:

In this scientific name, the highlighted portion represents: