Philadelphus floridus is a shrub to 3 m tall, twigs dark brown, pith white, solid older bark grooved, shreddy, pale, brown, branching opposite, stems arching, rather weak, brittle, young twigs brown, leaf scars horse-shoe shaped, with winter bud in center, under base of petiole; vein scars three.
Leaves opposite, egg-shaped, 4-7 cm long, tip long-pointed, base pointed, densely hairy below, margin remotely small-toothed, 3-veined at base, dull dark green above, pale below.
Flowers white, 5 cm wide, radially symmetrical, petals 4, calyx lobes 4, hairy, attached to expanded floral base (Rehder 1990).
Fruit a dry capsule with numerous seeds.
Wetland status: NL.
Frequency in NYC: Very infrequent.
Origin: Southern US, NC, GA.
Habitat: Probably an overgrown horticultural specimen.