: of, relating to, or growing on a stem and especially on the upper part.

What is a Cauline flower?

50-Cauline, sessile leaves. Leaves are said to be cauline when they are attached to an above ground stem, like in this Sullivant's milkweed Asclepias sullivantii. When the leaf blade is attached directly to the stem, that is, when there is no petiole, like here, the leaf is then called sessile.

What is Ramal and Cauline?

Cauline leaves - When the leaves are found on node of the stem, then they are called cauline leaves. 2. Ramal leaves - When leaves are found on branches, then they are called ramal leaves. 1.