Viola macloskeyi is a perennial, stemless herb from long, slender rhizomes; also reproducing from stolons (as with a strawberry), hairy to smooth.
Leaves basal, leaf stalks green, blade rounded, to heart-shaped, to kidney shaped, 1-3 cm wide at flowering time, later expanding up to 8 cm wide; deeply lobed at base, with a broad space between the lobes; margin bluntly toothed (crenate).
Flowers white, sometimes fragrant, bilaterally symmetrical, on stalks equaling or longer than the hight of the leaves; petals 5, lowest 3 with brownish-purple veins at base, the side petals hairless or nearly so, 2 upper petals widest above the middle (obovate).
Fruit of the closed flowers (cleistogamous) green 0.4-0.6 cm long.
Wetland status: OBL.
Frequency in NYC: Very infrequent.
Habitat: Wet soil, along streams.