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Eucalyptus alba Reinw. ex Blume

White eucalyptus (en)

Species

Angiosperms > Myrtales > Myrtaceae > Eucalyptus l'hér.

Characteristics

Trees, medium sized. Bark grayish white, smooth, exfoliating. Young leaves 3 or 4 pairs, opposite, petiolate; leaf blade ovate-lanceolate. Intermediate leaves alternate; leaf blade ovate to triangular, ca. 7.5 cm. Mature leaves; with a slightly weak 2-3 cm petiole; leaf blade broadly lanceolate to lanceolate, 10-13 × 2-4 cm, secondary veins at an angle of ca. 45° from midvein and inconspicuous on both surfaces, apex long and acutely pointed. Inflorescences axillary, simple, umbels 3-7-flowered; peduncle 1.5-2 cm, compressed. Flower buds elliptic, 8-9 mm. Hypanthium 4-5 mm; stipe 0-3 mm; calyptra slightly obtuse conic to slightly acute, shorter than hypanthium. Stamens 5-6 mm; anthers dorsifixed, dehiscing longitudinally. Capsule semiglobose to bowl-shaped, ca. 6 mm; disk broad or narrow; valves 3-5, exserted from hypanthium.
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Tree to 20 m high, more or less deciduous. Bark pink-red to white or cream. Juvenile leaves alternate, ovate to suborbicular, green, discolorous. Adult leaves alternate, narrowly to broadly lanceolate or ovate, acuminate, thin; lamina 7–21 cm long, 2–5 cm wide, green, concolorous; lateral veins conspicuous, at 30°–60°; intramarginal vein up to 2 mm from margin; petiole flattened or angular, 10–33 mm long. Umbels 7-flowered; peduncle terete or angular, 4–14 mm long; pedicels absent or angular, to 7 mm long. Buds globular to ovoid; operculum hemispherical, apiculate, or low conical, 3–5 mm long, 4–7 mm wide; hypanthium hemispherical, 3–5 mm long, 4–7 mm wide. Fruits hemispherical to obconical, 4–7 mm long, 5–8 mm wide; disc moderately broad, level or convex; valves 3 or 4, exserted.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 15.0 - 20.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Flat and undulating country, often near the coast or near watercourses, on heavy soil in woodland and open forest. Along watercourses, seasonally-wet depressions.
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Grows on flats and undulating country, often near the coast and near watercourses, in heavy soil in woodland and open forest.
Light 7-9
Soil humidity 1-5
Soil texture 3-6
Soil acidity 2-6
Soil nutriment -
Hardiness (USDA) 10-11

Usage

Uses bee plant environmental use fuel material medicinal social use timber wood
Edible -
Therapeutic use Diuretics (aerial part), Central nervous system diseases (whole plant excluding root), Hypothermia (whole plant excluding root)
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°) -
Size -
Vigor -
Productivity -

Images

Eucalyptus alba unspecified picture

Distribution

Eucalyptus alba world distribution map, present in Australia, Bangladesh, Brazil, China, Cameroon, Ecuador, Sri Lanka, Nepal, Pakistan, Papua New Guinea, Thailand, Viet Nam, and South Africa

Conservation status

Eucalyptus alba threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:592664-1
WFO ID wfo-0000954367
COL ID 3BPL2
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Eucalyptus alba Eucalyptus leucadendron Eucalyptus alba var. australasica
WorldFloraDB 2024