Calycanthus

Linnaeus
Syst. Nat. ed. 10, 2: 1066. 1759, name conserved.
Common names: Strawberry-shrub sweetshrub spicebush
Etymology: Greek kályx, covering, cup, and anthos, flower
Synonyms: Butneria Duhamel
Treatment appears in FNA Volume 3.

Twigs quadrangular to nearly terete, pubescent to glabrous. Buds naked. Leaves 2-ranked. Leaf blade elliptic, ovate, or ovate-lanceolate; surfaces adaxially scabrous. Flowers maroon or reddish brown, rarely greenish or green-tipped, with strawberry or pineapple scent. x = 11.

Distribution

Temperate North America.

Discussion

Species 3 (2 in the flora).

Selected References

None.

Key

1 Tepals oblong-elliptic to obovate-lanceolate, apex acute; stamens 10–20, oblong; mature hypanthium cylindric, ellipsoid, pyriform, or globose; lateral bud partially hidden by petiole base; e North America. Calycanthus floridus
1 Tepals linear to linear-spatulate or ovate-elliptic, apex rounded; stamens 10–15, linear to oblong-linear; mature hypanthium campanulate; lateral bud exposed; California. Calycanthus occidentalis