Common Name: Tube clematis. Scientific Name: Clematis heracleifolia. Family ranunculaceae. Genus: Clematis. Height: 36-48 in. (90-120 cm). Flower color: Blue .
Tube clematis (Clematis heracleifolia), is a shrubby clematis that forms a woody base and a clump of wide, weakly upright, They form clusters of fragrant tubular blue flowers just at the top of the foliage in late summer.