Scientific name: Philadelphus floridus Beadle
Common name: Florida Mock Orange
Family: Hydrangeaceae; Hydrangea
Flowering period: May
Habitat: river banks and rocky limestone slopes

Type locality: Cliffs of Coosa River, Floyd County, Georgia
Herbarium specimens: NY 186314 at Herbarium of the New York Botanical Garden, New York

Comments: In 1902 this species was collected by Biltmore Herbarium collectors in Floyd County and defined by Chauncey D. Beadle (1866-1950), a botanist from the Biltmore Herbarium in North Carolina.

Description: "A deciduous shrub 2-3 m tall with branching stems, the bark of the last season's shoots dark brown, exfoliating: Leaves oval or elliptic, the blades 4-10 cm long, 2-5 cm broad, acute at the apex, either rounded or narrowed at the base, the borders remotely toothed; they are glabrate above, sparsely pubescent on the lower surface, prominently 3-nerved, or occasionally 5-nerved, thin in texture, bright green above, pale beneath, falling in early autumn: petioles 3-7 mm long: flowers occasionally solitary but mostly 3-5, 3-4 mm wide, expanding early in May: pedicles and hypanthium appressed pubescent: sepals acuminate, the exterior surface appressed pubescent: stigmas not united." - Chauncey D. Beadle, 1902

Reference :
1. Beadle, Chauncey D. " Studies in Philadelphus." Biltmore Botanical Studies, A Journal of Botany, Embracing Papers by The Director and Associates of the Biltmore Herbarium 1. (1902b.) :160
2. The New York Botanical Garden Vascular Plant Types Catalog: ( ), New York Botanical Garden, 200th Street and Kazimiroff Boulevard Bronx, NY 10458
3. USDA, NRCS. 2007. The PLANTS Database (, 11 November 2007). National Plant Data Center, Baton Rouge, LA 70874-4490 USA.

Last updated on January 27, 2017.

Botanical exploration in Floyd County, Georgia

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Atlanta, Georgia, U.S.A.