Heliotrope (H12) flowers, VIII–IX, in long spikes; dark green foliage; height 46–60cm; spread 46–60cm. A distinctive flower colour, and well worth growing.

Wild-collected; found in the middle of a gorse bush at Hangmore Hill, Chobham Ridges, Surrey, England, by Mrs C. E. Underwood, in 1935; introduced by G. Underwood (Hookstone Green Nursery, West End, Woking, Surrey) in 1945.

Named after the Underwoods’ nursery.