Hudsonia tomentosa is a low, mat-forming evergreen shrub, grayish-green, densely short-wooly.
Leaves alternate, small, scale-like, 0.1- 0.3 cm long, overlapping and appressed to stem.
Flowers yellow, radially symmetrical, 5-parted, about 0.6 cm wide, showy, numerous, flower stalks very short 0-0.3 cm long; blooming May-June.
Fruit dry capsule, few-seeded.
Wetland status: NL.
Frequency in New York City: Infrequent.
Habitat: Dry, open sandy soil, back dunes in undisturbed areas.
Notes: Much like H. ericoides, a pine barrens plant, which is not very hairy, has leaves 0.3-0.6 cm long, not appressed to stems. Flower stalks 0.5-1.5 cm long. It is probably extinct in NYC.