Prickly paddy melon (Gooseberry cucumber, gooseberry gourd, paddy melon)
Cucumis myriocarpus

It is a prostrate or climbing annual herb. It has small, round, yellow-green or green-striped fruit with soft spines, small yellow flowers and deeply lobed, light green leaves. The melon occurs in disturbed soil and cleared or bare areas, and thrives on summer moisture.