New Zealand Map Series 260:
P05 808 530 (WGS84 -35.321379 173.770046)
Latitude and Longitude (WGS84):
35°19´ S 173°46.2´ E (WGS84 -35.316667 173.77)
Altitudes:
from 250m
Habitat:
Disused railway; embankment by tunnel under main street, amongst grass.
Notes:
Stems erect, 1.5-2m high, square. Flowers c.7mm long to apex of straight upper lip, dark purple; emarginate upper lip. Extending over sveral square metres.