Cercis canadensis L.

Eastern redbud (en), Gainier (fr)

Species

Angiosperms > Fabales > Fabaceae > Cercis

Characteristics

A deciduous shrub or small tree. It grows 10 m tall. It is a broadly spreading tree. The bark is dark grey-brown to black. The leaves are rounded and 10 cm long by 12 cm wide. They are heart shaped at the base. They are bronze when young and become bright green and smooth. Sometimes they turn yellow in the autumn. The flowers are pea-like. The are 1 cm long and pink. They occur in clusters on old shoots. They can also be on the main trunk and branches. The fruit is a flattened pod. It is 7.5 cm long and is green but becomes brown when ripe.
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Widely branched tree to 12 m; lvs broadly cordate, 5–12 cm, usually wider than long, obtuse to shortly acuminate, glabrous or sparsely hairy beneath; fls magenta-pink, 1 cm, in small clusters on slender pedicels 6–12 mm; pods pointed at both ends, 6–10 × 1–1.5 cm; 2n=14. Moist woods; Conn. and s. N.Y. to s. Mich., Io., and e. Neb., s. to Fla. and n. Mex. Our plants are var. canadensis.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 4.0 - 8.0
Mature height (meter) 8.0 - 9.1
Root system tap-root
Rooting depth (meter) 1.2
Root diameter (meter) 0.4
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a temperate plant. It is native to North America. It grows in moist woods. It suits full sun or dappled shade. It is best in fertile soil. It should be deep and moist but well-drained. In Mexico it grows between 1,000-2,250 m above sea level. It suits hardiness zones 5-9.
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An understorey tree in moist rich woods, along the banks of streams, in ravines, on bluffs, in open rocky woods, and also on abandoned farmland. It often forms a distinct understorey in woodlands.
Light 3-7
Soil humidity 2-6
Soil texture 3-5
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 5-8

Usage

The flowers are used in salads. They are also fried. The unopened buds are pickled in vinegar and used as a caper substitute. The buds, flowers and young pods are sauteed in butter or fried into fritters.
Uses environmental use food fuel material medicinal wood
Edible flowers fruits leaves pods seeds
Therapeutic use Febrifuge (bark), Pulmonary Aid (bark), Respiratory Aid (bark), Antiemetic (bark), Febrifuge (root), Pulmonary Aid (root), Respiratory Aid (root), Astringent (unspecified), Diarrhea (unspecified), Dysentery (unspecified), Leukemia (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown from seeds. It can also be grown from tip cuttings or root suckers.
Mode cuttings seedlings
Germination duration (days) 30 - 90
Germination temperacture (C°) 12 - 13
Germination luminosity -
Germination treatment scarification soaking
Minimum temperature (C°) -23
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Cercis canadensis habit picture by Tim Rutland (cc-by-sa)

Leaf

Cercis canadensis leaf picture by Lisa Groves (cc-by-sa)
Cercis canadensis leaf picture by Kimberly (cc-by-sa)
Cercis canadensis leaf picture by Feya Sterling (cc-by-sa)

Flower

Cercis canadensis flower picture by elehto (cc-by-sa)
Cercis canadensis flower picture by Todd Allen (cc-by-sa)
Cercis canadensis flower picture by cthulhu mittens (cc-by-sa)

Fruit

Cercis canadensis fruit picture by Feya Sterling (cc-by-sa)
Cercis canadensis fruit picture by Natures Guy (cc-by-sa)
Cercis canadensis fruit picture by Sonlight (cc-by-sa)

Distribution

Cercis canadensis world distribution map, present in Argentina, Canada, Georgia, Ghana, Moldova (Republic of), Mexico, New Zealand, Ukraine, and United States of America

Conservation status

Cercis canadensis threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:316243-2
WFO ID wfo-0000174035
COL ID SSQS
BDTFX ID 77057
INPN ID 160956
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Siliquastrum canadense Cercis dilatata Cercis ellipsoidea Cercis georgiana Cercis canadensis f. alba Cercis canadensis f. glabrifolia Cercis canadensis f. canadensis Siliquastrum cordatum Cercis canadensis var. typica Cercis canadensis var. canadensis Cercis canadensis var. alba Cercis canadensis var. plena Cercis canadensis var. pubescens Cercis canadensis

Lower taxons

Cercis canadensis var. mexicana Cercis canadensis var. texensis Cercis canadensis var. orbiculata Cercis canadensis subsp. canadensis