Cymbalaria muralis is an annual trailing herb 10-40 cm long, rooting at nodes.
Leaves alternate, palmately 3-7 lobed, stalks elongate.
Flowers blue with yellow markings, bilaterally symmetrical, 0.7-1 cm long, 5-parted, two-lipped; May-Oct..
Fruit dry, round, 0.4 cm wide, splitting open to release seeds.
Wetland status: UPL.
Frequency in NYC: Very infrequent.
Habitat: Roadsides, open areas, escaped from cultivation.