1.
Calycanthus floridus
Linnaeus, Syst. Nat. ed. 10. 2: 1066. 1759.
Carolina-allspice, sweetshrub
Shrubs , to 3.5 m. Lateral bud partially hidden by petiole base. Petiole 3-10 mm, pubescent to glabrous. Leaf blade elliptic, broadly elliptic, oblong, or ovate, 5-15 × 2-6 cm, base acute to truncate, apex acute, acuminate, or blunt; surfaces abaxially green or glaucous, pubescent to glabrous. Flowers : hypanthium cylindric, ellipsoid, pyriform, or globose at maturity, 2-6 × 1-3 cm; tepals oblong-elliptic to obovate-lanceolate, 2-4 cm × 3-8 mm, apex acute; stamens 10-20, oblong. 2 n = 22, 33.
Varieties 2: temperate North America.
