Eucalyptus pilularis Sm.

Blackbutt (en)

Species

Angiosperms > Myrtales > Myrtaceae > Eucalyptus l'hér.

Characteristics

Large tree; bark persistent, rather soft and fibrous on trunk, smooth and whitish on branches. Juvenile lvs sessile, amplexicaul, discolorous. Adult lvs with stout petioles 1-1.5 cm long; lamina to 15 × 2.5 cm, narrow-lanceolate, coriaceous, ± concolorous, with distinct intramarginal vein and with numerous, parallel lateral veins diverging at angles of 30-50° to midrib; base ± symmetric; apex long-subulate-acuminate. Umbels axillary, of 7-11 fls; peduncles 1-2 cm long, stout, compressed; pedicels c. 0.5 cm long. Buds c. 8 mm long, yellowish green; operculum ± rostrate, = hypanthium. Stamens whitish; anthers reniform. Fr. pedicellate, 8-11 × 11-14 mm, hemispheric; valves 4, slightly sunken or at rim level; disc 1-2 mm wide, flat or obliquely descending.
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Tree to 70 m with grey-brown [red to black], fibrous bark on most of the trunk but white or yellow-grey and smooth above.. Juvenile leaves opposite, sessile, broadly lanceolate to lanceolate; adult lanceolate, 9–16 cm long, 1.6–3 cm wide; petiole flattened or channelled, 1–2 cm long.. Umbels 7–15-flowered; peduncle flattened, 1–1.7[2] cm long; pedicels angular, [2.5]3–6[7] mm long.. Buds clavate or fusiform; operculum conical or rostrate, 4–5 mm long, 3–5 mm wide.. Calyx-tube obconical, 3–4 mm long, 3–5 mm wide.. Fruits hemispherical or subglobose, 6–11 mm long, 7–11 mm wide with narrow to wide, ascending to descending disc and 4 flush or less often included valves.. Fig. 9/30.
Tree to 70 m. Bark fibrous, grey-brown on most of trunk, then smooth, white or yellow-grey above, often with insect ‘scribbles’. Adult leaves lanceolate; lamina 9–16 cm long, 1.6–3 cm wide; lateral veins clearly visible, at 30°–45°; intramarginal vein up to 2 mm from margin; petiole flattened or channelled, 10–20 mm long. Umbels 7–15-flowered; peduncle flattened, 10–17 mm long; pedicels angular, 3–6 mm long. Operculum conical or rostrate, 4–5 mm long, 3–5 mm wide; hypanthium obconical, 3–4 mm long, 3–5 mm wide. Fruits hemispherical or subglobular, 6–11 mm long, 7–11 mm wide.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 55.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Widespread and often dominant, in wet sclerophyll or grassy coastal forest on lighter soils of medium fertility; at elevations up to 700 metres.
More
Widespread and often dominant, in wet sclerophyll or grassy coastal forest on lighter soils of medium fertility; at elevations up to 700 metres.
Grows on gentle slopes, mainly inloam or sandy loam in tall open forest.
Light 7-9
Soil humidity 1-5
Soil texture 3-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-11

Usage

Uses charcoal dye essential oil fiber material medicinal seasoning timber wood
Edible -
Therapeutic use Antiseptic (unspecified), Disinfectant (unspecified)
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°) 18 - 28
Size -
Vigor -
Productivity -

Images

Eucalyptus pilularis unspecified picture

Distribution

Eucalyptus pilularis world distribution map, present in Australia, Brazil, Sri Lanka, Myanmar, New Zealand, United States of America, and South Africa

Conservation status

Eucalyptus pilularis threat status: Near Threatened

Identifiers

LSID urn:lsid:ipni.org:names:593246-1
WFO ID wfo-0000955625
COL ID 3BQCQ
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Eucalyptus pilularis Eucalyptus semicorticata Eucalyptus discolor Eucalyptus incrassata Eucalyptus pilularis var. muelleriana Eucalyptus persicifolia