Flowers deep blue, leaf shape and sinus suggestive of H. speciosa cultivar as one possible parent. Certainly H. speciosa cultivars and hybrids are abundant on nearby (200m distance) Somes Island. H. stricta var. atkinsonii and H. elliptica are the only Hebe present. Also with Phormium cookianum
Observed species:
Cassinia leptophylla Coprosma repens Hebe stricta var. atkinsonii Lycium ferocissimum