Eucalyptus melliodora A.Cunn. ex Schauer

Yellow-box (en)

Species

Angiosperms > Myrtales > Myrtaceae > Eucalyptus l'hér.

Characteristics

Trees, medium sized. Bark on lower part of trunk or sometimes extending to larger branches, grayish brown, fibrous, persistent; bark on smaller branches whitish yellow, smooth, exfoliating. Branchlets terete. Young leaves slightly grayish, oblong, ca. 5 × 2.5 cm. Mature leaves with a 1-1.5 cm petiole; leaf blade narrowly lanceolate to lanceolate, 7-13 × 1-1.5 cm, slightly twisted, leathery, both surfaces with numerous black glands, secondary veins at an angle of ca. 30° from midvein but ternate at base, intramarginal veins ca. 2 mm from margin. Inflorescences axillary, umbels 3-or 7-flowered; peduncle 4-9 mm. Flower buds ovoid, ca. 5 mm. Hypanthium campanulate, 3-4 mm; stipe 2-9 mm; calyptra coniform-semiglobose, as long or slightly shorter than hypanthium, sometimes apiculate. Stamens 4-6 mm, peripheral stamens sterile; anthers small, truncate-capitate, poricidal. Capsule semiglobose, ca. 5 mm in diam.; disk narrow; valves 5 or 6, equaling hypanthium rim or included. Fl. Aug-Sep.
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Tree to 30 m high. Bark fibrous on lower trunk only or up to larger branches, grey, yellow or red-brown, then smooth, white-yellow above. Juvenile leaves alternate, petiolate, ovate or elliptic, grey-green, concolorous. Adult leaves narrowly lanceolate to lanceolate, acuminate; lamina 6.5–14 cm long, 0.8–1.8 cm wide, green or grey-green; lateral veins clearly visible, at 20°–40°; intramarginal vein up to 2 mm from margin; petiole terete or slightly flattened, 10–15 mm long. Umbels 7-flowered; peduncle terete or quadrangular, 3–11 mm long; pedicels 2–9 mm long. Buds clavate to fusiform; operculum conical to rostrate, usually narrower than hypanthium, 2–3 mm long, c. 3 mm wide; hypanthium hemispherical, 3–4 mm long and wide. Fruits hemispherical, ovoid to subglobular, 4–7 mm long and wide; valves usually 5, level or included.
Tree to 30 m with grey, yellow or red-brown fibrous bark on lower trunk and sometimes larger branches, yellowish white and smooth above.. Juvenile leaves ovate or elliptic; adult lanceolate, 6.5–14 cm long, 0.8–1.8 cm wide; petiole terete or slightly flattened, 1–1.5 cm long.. Umbels 7-flowered; peduncle terete or quadrangular, 0.3–1.1[1.5] cm long; pedicels 2–9 mm long.. Buds clavate to fusiform; operculum conical to rostrate, 2–3 mm long, ± 3 mm wide, usually narrower than the hemispherical calyx-tube which is 3–4 mm long and wide.. Fruits hemispherical, ovoid to subglobular, 4–7 mm long and wide with narrow descending disc and obscured by a prominent dark staminal ring and usually 5 flush or included valves.. Fig. 8/23, p. 41.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 30.0
Root system -
Rooting depth (meter) 1.5
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Grows on gentle slopes, low hills and, in drier areas, on flats near watercourses, in loamy and heavy alluvial soil, in woodland sometimes in open forest.
More
Gentle slopes of open woodland in areas with cool wet winters and dry summers; at elevations from 150-1,250 metres.
Gentle slopes of open woodland in areas with cool wet winters and dry summers; at elevations from 150-1,250 metres.
Light 7-9
Soil humidity 1-7
Soil texture 2-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 9-11

Usage

Uses bee plant environmental use essential oil fuel invertebrate food material timber wood
Edible -
Therapeutic use Anti-bacterial agents (leaf), Antifungal agents (leaf)
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°) 24 - 33
Size -
Vigor -
Productivity -

Images

Eucalyptus melliodora unspecified picture

Distribution

Eucalyptus melliodora world distribution map, present in Australia, Brazil, China, Mozambique, and South Africa

Conservation status

Eucalyptus melliodora threat status: Vulnerable

Identifiers

LSID urn:lsid:ipni.org:names:593117-1
WFO ID wfo-0000955352
COL ID 3BQ7H
BDTFX ID -
INPN ID 445833
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Eucalyptus forsythii Eucalyptus melliodora Eucalyptus caerulescens Eucalyptus patentiflora Eucalyptus melliodora var. brachycarpa Eucalyptus melliodora var. elliptocarpa