Venation can be used to distinguish some groups of cycads from one another.

Which technological advancement has resulted in the greatest upheaval of orchid taxonomy

Of the following terms, which refers to a leaf margin with small teeth uniformly directed toward the leaf apex:

Match the sequence of objects with the corresponding leaf shapes: heart,triangle,arrow,spear

Fern terms are often different from their angiosperm counterparts. Which fern term is equivalent to a leaflet:

If there are many scientific names for one plant, all but one are considered:

A rachis in ferns is equivalent to a midrib in flowering plants.

The first word in a scientific name is the genus or generic epithet.

An equivalent term to phytogeography is

One floral type of the following is actually an entire inflorescence – papilionaceous, campanulate, capitulum – which is it: