Cornus florida L.

Flowering dogwood (en), Cornouiller à fleurs d'Amérique (fr)

Species

Angiosperms > Cornales > Cornaceae > Cornus

Characteristics

Trees to 20 m, flowering at 2 m. Stems clustered, occasionally decumbent and rooting at nodes, bark corky, forming rectangular plates 0.5–1 cm wide; branchlets green, maroon, or red, appressed-hairy; lenticels maroon swellings. Leaves: petiole 3–20 mm; blade ovate, elliptic, or obovate, 5–12 × 2–7 cm, base cuneate to rounded, apex abruptly acuminate, abaxial surface whitish, appressed-hairy, tufts of erect hairs present in axils of secondary veins, adaxial surface dark green, appressed-hairy; secondary veins 5–7 per side, most arising from proximal 1/2. Inflorescences flat-topped, 1–2 cm diam., 15–30-flowered, subtended by 2 pairs of cataphylls; peduncle 10–20 mm; petaloid bracts 4, surrounding and enclosing inflorescence through winter, white or tinged with red and with brown or white callous at apex, obovate to obcordate, 2–6 × 1–4.5 cm, apex rounded or emarginate. Flowers: hypanthium appressed-hairy; sepals 0.5–0.8 mm; petals cream or yellow-green, 3–3.5 mm. Drupes usually red, rarely yellow, drying black, spreading from each other, round in cross section, 13–18 × 6–9 mm; stone ellipsoid, 10–12 × 4–7 mm, smooth. 2n = 44.
More
A deciduous tree. It grows 4-12 m tall. The bark is red-brown to blackish. It cracks into small square plates. The leaves are oval and 10 cm long by 6 cm wide. They taper to a point and do not have teeth. They are dark green and smooth above and whitish and softly hairy underneath. The leaves turn bright red in the autumn. The flowers are small and greenish in dense half round clusters. There are 4 white to pink bracts around each cluster. These bracts have a notch at the tip. The fruit are small and red and in clusters. These separate when ripe.
Widely branched small tree (or large shrub) to 10 m, the bark becoming closely and deeply checked; lvs ovate to elliptic or obovate, mostly 6–10 cm and half as wide, abruptly acuminate, pale beneath, strigillose on both sides; bracts 4, white (pink), obcordate, notched at the tip, 3–6 cm; fls yellowish, 20–30 in the cluster; fr red, ellipsoid, 10–15 mm; 2n=22. Woods; Me. to s. Ont., Mich., Ill., Mo., and Okla., s. to Fla. and ne. Mex. May, June, before the lvs are fully grown. (Cynoxylon f.)
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 4.0 - 8.0
Mature height (meter) 4.64 - 8.0
Root system fibrous-root
Rooting depth (meter) 0.5
Root diameter (meter) 0.5
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is native to eastern North America. It grows in acid soils in woods. It will grow in most soils. It is resistant to frost but damaged by drought. It suits hardness zones 5-8. Arboretum Tasmania.
More
Rich well-drained soils in acidic woods; at elevations up to 1,500 metres. An understorey tree in dry deciduous, mixed, and pine forests; at elevations up to 2,000 metres.
Light 3-8
Soil humidity 2-5
Soil texture 2-5
Soil acidity 2-6
Soil nutriment -
Hardiness (USDA) 6-9

Usage

Caution: The fruit are bitter and probably should not be eaten in large quantities.
Uses charcoal dye environmental use gum material medicinal ornamental wood
Edible fruits seeds
Therapeutic use Analgesic (bark), Anthelmintic (bark), Antidote (bark), Dermatological Aid (bark), Disinfectant (bark), Febrifuge (bark), Gynecological Aid (bark), Misc. Disease Remedy (bark), Pediatric Aid (bark), Poultice (bark), Stimulant (bark), Throat Aid (bark), Tonic (bark), Antidiarrheal (bark), Blood Medicine (bark), Diaphoretic (flower), Gastrointestinal Aid (flower), Misc. Disease Remedy (flower), Anthelmintic (root), Dermatological Aid (root), Disinfectant (root), Febrifuge (root), Misc. Disease Remedy (root), Pediatric Aid (root), Poultice (root), Stimulant (root), Tonic (root), Blood Medicine (root), Antidiarrheal (root), Antidiarrheal (unspecified), Blood Medicine (unspecified), Astringent (unspecified), Cancer(Breast) (unspecified), Cholera (unspecified), Dentifrice (unspecified), Fever (unspecified), Liver (unspecified), Malaria (unspecified), Stomatitis (unspecified), Tonic (unspecified), Vermifuge (unspecified), Cathartic (unspecified), Jaundice (unspecified), Myalgia (unspecified), Antiperiodic (unspecified), Dysentery (unspecified), Tumor (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown by seeds, cuttings, layering or grafting.
Mode cuttings seedlings
Germination duration (days) 90 - 730
Germination temperacture (C°) 7 - 9
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -24
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Cornus florida habit picture by Vicki Brown (cc-by-sa)
Cornus florida habit picture by Aaron Harp (cc-by-sa)
Cornus florida habit picture by Matthias Foellmer (cc-by-sa)

Leaf

Cornus florida leaf picture by Don Sadowsky (cc-by-sa)
Cornus florida leaf picture by Tom Miller (cc-by-sa)
Cornus florida leaf picture by Holly Nobles (cc-by-sa)

Flower

Cornus florida flower picture by RS Kennedy (cc-by-sa)
Cornus florida flower picture by 2768vansicm (cc-by-sa)
Cornus florida flower picture by Campos Juan (cc-by-sa)

Fruit

Cornus florida fruit picture by Nick Emeric (cc-by-sa)
Cornus florida fruit picture by Robyn x (cc-by-sa)
Cornus florida fruit picture by Daniel (cc-by-sa)

Distribution

Cornus florida world distribution map, present in Åland Islands, Canada, Micronesia (Federated States of), Georgia, Malaysia, Nicaragua, and United States of America

Conservation status

Cornus florida threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:271574-1
WFO ID wfo-0000924674
COL ID YGJT
BDTFX ID 75834
INPN ID 92496
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Benthamia florida Benthamidia florida Cornus florida f. rubra Cornus candidissima Cornus florida f. xanthocarpa Cornus urbiniana Cynoxylon floridum Cornus florida f. florida Cynoxylon florida Benthamidia florida var. pendula Benthamidia florida var. rubra Benthamidia florida var. urbiniana Cornus florida var. florida Cornus florida var. pendula Cornus florida var. rosea Cornus florida var. rubra Cornus florida var. rubra Cornus florida var. urbiniana Cornus florida subsp. urbiniana Cornus florida var. xanthocarpa Cynoxylon floridum var. rubrum Cynoxylon floridum var. pendulum Benthamidia florida f. pendula Benthamidia florida f. pluribracteata Benthamidia florida f. rubra Benthamidia florida f. xanthocarpa Cornus florida f. pluribracteata Cornus florida f. purpurea Cornus florida