 Wild angelica, reedmace (bullrush), yellow meadow vetchling, Yorkshire fog grass, tussock grass, and meadowsweet were also noted and Brooklime speedwell grows within the ditch of the Joppa Burn inflow.The loch was not an ornamental feature of the grounds in the immediate vicinity of Sundrum Castle, however it lies quite close by.Duncan Wallace, son of Sir Robert Wallace and related to Sir William Wallace, commissioned the building of the present castle in the 1360s.