Corymbia citriodora (Hook.) K.D.Hill & L.A.S.Johnson

Lemonscented gum (en)

Species

Angiosperms > Myrtales > Myrtaceae > Corymbia

Characteristics

Tree 25–40 m, occasionally to 50 m. Bark white, powdery, sometimes pink, red or blue-grey. Juvenile leaves ovate to broadly lanceolate, sometimes peltate, sometimes setose, on petiole and lamina. Adult leaves lanceolate to narrowly lanceolate, strongly lemon-scented when crushed; lamina 8–16 cm long, 0.5–2 cm wide; lateral veins just visible, at 35°–50°; intramarginal vein up to 1 mm from margin; petiole flattened, 13–20 mm long. Peduncle terete, 3–7 mm long; pedicels 1–6 mm long. Buds clavate; operculum hemispherical, apiculate, 3–4 mm long, 4–5 mm wide; hypanthium hemispherical, 5–6 mm long, 4–5 mm wide. Fruits ovoid or urceolate, 7–15 mm long, 7–11 mm wide, often warty.
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A slender tree. It grows 25-50 m tall and spreads 25 m wide. The bark is powdery and grey and peels off. The leaves are broadly sword shaped and rough and green. The young leaves are more broad. The leaves have a lemon scent. The flowers are in clusters and are creamy white. They are 2 cm across.
Tall tree. Bark smooth and deciduous throughout. This species is very closely related to E. maculata Hook, and is sometimes treated as a variety of it.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 25.0
Mature height (meter) 37.5 - 45.0
Root system -
Rooting depth (meter) 1.2
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Usually found in heavy soils, but also succeeding on deep sandy loams in coastal regions.
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Usually found in heavy soils, but also succeeding on deep sandy loams in coastal regions.
A subtropical plant. It needs a temperature above 5-7°C. It grows on dry plateaus.
Grows on undulating country, in open forest and woodland.
Light 7-9
Soil humidity 2-7
Soil texture 2-6
Soil acidity 2-6
Soil nutriment -
Hardiness (USDA) 10-11

Usage

A sweet manna-like gum on the leaves is eaten. Caution: Eucalyptus oil is poisonous.
Uses afforestation bee plant charcoal environmental use essential oil food fuel gene source gum material medicinal non-vertebrate poison oil ornamental poison timber wood
Edible leaves saps
Therapeutic use Hemagglutination (seed), Anthelmintics (bark), Hair loss (leaf), Analgesics (leaf), Anthelmintics (leaf), Anti-bacterial agents (leaf), Antifungal agents (leaf), Anti-inflammatory agents (leaf), Antinematodal agents (leaf), Common cold (leaf), Cough (leaf), Dandruff (leaf), Disinfectants (leaf), Expectorants (leaf), Fever (leaf), Flatulence (leaf), Gastrointestinal diseases (leaf), Headache (leaf), Insect repellents (leaf), Insecticides (leaf), Malaria (leaf), Pain (leaf), General tonic for rejuvenation (leaf), Vomiting (leaf), Diaphoretic (leaf), Anti-bacterial agents (plant exudate), Antifungal agents (plant exudate), Gastrointestinal diseases (plant exudate), Uterine diseases (plant exudate), Vomiting (plant exudate), Anthelmintics (unspecified), Antifungal agents (unspecified), Antitubercular agents (unspecified), Insecticides (unspecified), Skin diseases (unspecified), Anti-infective agents (whole plant), Antinematodal agents (whole plant), Insecticides (whole plant), Spasm (whole plant)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) 1
Optimum temperature (C°) 22 - 32
Size -
Vigor -
Productivity -

Images

Leaf

Corymbia citriodora leaf picture by Sam Romeyn (cc-by-sa)

Distribution

Corymbia citriodora world distribution map, present in Australia, Azerbaijan, Burkina Faso, Bangladesh, Brazil, China, Colombia, Cuba, Ecuador, Spain, Fiji, Micronesia (Federated States of), Honduras, Sri Lanka, Morocco, Myanmar, Mozambique, Nepal, Pakistan, Panama, Peru, Philippines, Puerto Rico, Thailand, Trinidad and Tobago, United States Minor Outlying Islands, United States of America, and South Africa

Conservation status

Corymbia citriodora threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:986336-1
WFO ID wfo-0000925431
COL ID YQ88
BDTFX ID 168265
INPN ID 966732
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Corymbia variegata Eucalyptus citriodora Eucalyptus variegata Eucalyptus melissiodora Corymbia citriodora subsp. variegata Eucalyptus maculata var. citriodora Corymbia citriodora