It has needle-like leaves and small white, tubular flowers in early summer.

The tiny tubular yellow flower is a few millimeters long.

It, too, stands straight and tall with handsome blue tubular flowers.

The plant produces tubular flowers which may be over 4 centimeters long.

The tubular flowers vary in color from blue and purple to pink, yellow, or white.

The tubular blue flowers are up to 2 centimeters long.

The long tubular flowers give it the name longiflora and are present most of the year.

They bear tubular flowers at the tops of their stems.

The term is also use as the central area of the head in composites were the tubular flowers are attached.

The plant bears bright red, tubular flowers on side branches close to the ground.