Veronica longifolia explained

Veronica longifolia, known as garden speedwell or longleaf speedwell, is a flowering plant in the family Plantaginaceae.

Description

This herbaceous perennial is 2- tall and spreads to 2feet. The flower spikes are 10- long and bear lilac to purple blooms.^[1]

Notes and References

1. Book: Taylor's Encyclopedia of Garden Plants. Frances Tenenbaum. Taylor's Guides. 2003. 408. 0-61822644-3.