Eucalyptus tereticornis Sm.

Forest redgum (en), Eucalyptus subulé (fr)

Species

Angiosperms > Myrtales > Myrtaceae > Eucalyptus l'hér.

Characteristics

Trees, to 25 m tall. Bark grayish white, smooth, exfoliating in long strips. Branchlets terete, slender, pendulous. Leaf blade of young leaves ovate to broadly lanceolate, to 10 cm wide. Leaf blade of intermediate leaves broadly lanceolate. Mature leaves with a 1.5-2.5 cm petiole; leaf blade narrowly lanceolate, 10-25 × 1.5-2 cm, slightly twisted, both surfaces with small glands, secondary veins at an angle of ca. 45° from midvein, intramarginal veins ca. 0.7 mm from margin. Inflorescences axillary, simple, umbels 5-8-flowered; peduncle 1-1.5 cm, stout, terete. Flowers buds long ovate, 1-1.3 mm or longer. Hypanthium hemispheric, 2.5-3 × 4-5 mm; stipe 3-6 mm; calyptra conic, 7-10 mm, apex acuminate. Stamens 6-9 mm; anthers long obovate, dehiscing longitudinally. Capsule subglobose to ovoid, 6-8 mm in diam.; disk broad; valves 4 or 5, much exserted from hypanthium. Fl. Feb-Apr, Jun-Aug.
More
Large tree; bark rough and flaky near base, smooth and patterned or blotched bluish grey above. Juvenile lvs opposite at first; petiole to 2.5 cm long; lamina broad-ovate; base broad-cuneate. Adult lvs with petiole to 3 cm long; lamina to c. 30 × 2.5 cm, linear-lanceolate or lanceolate, concolorous, coriaceous, glossy, with distinct intramarginal vein and lateral veins diverging at an angle of c. 45° to midrib; base cuneate, symmetric; apex long-subulate-acuminate. Umbels axillary, of 7-9 fls; peduncles 0.7-1.8 cm long, almost terete; pedicels 3-9 mm long. Buds 0.8-1.2 cm long, narrowly conic or horn-shaped, operculum much > hypanthium; becoming whitish just before dehiscence. Stamens white; anthers oblong. Fr. pedicellate, 5-6 × 6.5-7.5 mm, hemispheric; valves 3-4, exserted; disc c. 2.5 mm wide, convex, strongly exserted.
Tree to 50 m. Bark smooth throughout, white, grey or grey-blue. Juvenile leaves ovate, dull, green to blue-green, slightly discolorous. Adult leaves narrowly lanceolate to lanceolate, acuminate, thick; lamina 10–20 cm long, 1–2.7 cm wide, shining, green; lateral veins at 40°–50°; intramarginal vein up to 2 mm from margin; petiole terete or channelled, 13–24 mm long. Umbels 7–11-flowered; peduncle terete or angular, 7–25 mm long; pedicels 3–10 mm long. Buds conical; operculum conical, 8–13 mm long, 4–6 mm wide; hypanthium hemispherical, 2–3 mm long, 4–6 mm wide. Fruits subglobular or ovoid, 5–7 mm long, 4–8 mm wide; disc broad, steeply ascending; valves 4 or 5, strongly exserted. Seeds brown-black.
Tree to 50 m with white, grey or grey-blue smooth bark throughout.. Juvenile leaves ovate; adult lanceolate, 10–20 cm long, 1–2.7 cm wide; petiole terete or channelled, 1.3–2.4 cm long.. Umbels 7–11-flowered; peduncle terete or angular, 0.7–2.5 cm long; pedicels [2]3–10 mm long.. Buds conical; operculum conical, swollen at base, 8–13 mm long, 4–6 mm wide.. Calyx-tube hemispherical, 2–3 mm long, 4–6 mm wide.. Fruits subglobular or ovoid, 5–7[8.5] mm long, 4–8[8.5] mm wide, with broad steeply ascending disc and 4–5 strongly exserted valves; seeds black.. Fig. 10/40, p. 49 & 11/5–6.
Tall tree. Bark smooth and irregularly blotched throughout or sometimes with a little rough, flaky, persistent bark at base. Leaves up to 20 x 2.5 cm narrowly lanceolate, apex attenuate-acuminate. Umbels axillary, 5-12-flowered; peduncles 0.5-1.2 cm long, almost terete; pedicels 0.3-0.4 cm long; flower-buds 1.2-1.6 cm long, ± fusiform; operculum conical, usually 2-3-times larger than the small cupular receptacle. Fruit c. 0.7 x 0.7 cm subglobose; valves 3-4, strongly exserted.
Umbels axillary, 5–12-flowered; peduncles 0·5–1·2 cm. long, almost terete; pedicels 0·3–0·4 cm. long; flower-buds 1·2–1·6 cm. long, ± fusiform; operculum conical, usually 2–3-times larger than the small cupular receptacle.
A tall tree. It grows 50 m tall. The leaves are narrow and alternate. They are oval and curved. They are 8-24 cm long by 1-4 cm wide. The tip is pointed. The flowers are creamy-white and in bundles of 5-12.
Bark smooth and irregularly blotched throughout or sometimes with a little rough, flaky, persistent bark at base.
Leaves up to 20 x 2·5 cm., narrowly lanceolate, apex attenuate-acuminate.
Fruit c. 0·7 x 0·7 cm., subglobose; valves 3–4, strongly exserted.
Tall tree.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 35.0
Root system -
Rooting depth (meter) 3.3
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Found principally in open-forest formation with a number of other eucalypts and on river flats or hill slopes with alluvial or sandy to gravelly soils.
More
Found principally in open-forest formation with a number of other eucalypts and on river flats or hill slopes with alluvial or sandy to gravelly soils.
Grows in open forest and as scattered trees, on alluvial flats.
It is a tropical plant.
Light 7-9
Soil humidity 2-6
Soil texture 2-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-11

Usage

A sweet manna-like substance forms on the leaves.
Uses afforestation animal food bee plant charcoal dye environmental use essential oil fiber food fuel invertebrate food material medicinal non-vertebrate poison oil poison timber wood
Edible leaves nectars roots
Therapeutic use Antifungal agents (aerial part), Antineoplastic agents (bark), Antifungal agents (flower), Anti-bacterial agents (leaf), Antifungal agents (leaf), Antinematodal agents (leaf), Antioxidants (leaf), Arthralgia (leaf), Common cold (leaf), Cough (leaf), Diarrhea (leaf), Headache (leaf), Influenza, human (leaf), Insecticides (leaf), Pain (leaf), Anti-bacterial agents (unspecified), Anti-inflammatory agents (unspecified), Cholestasis (unspecified), Liver diseases (unspecified), Chest pain (whole plant), Cough (whole plant)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) 1
Optimum temperature (C°) 18 - 38
Size -
Vigor -
Productivity -

Images

Eucalyptus tereticornis unspecified picture

Distribution

Eucalyptus tereticornis world distribution map, present in Australia, Brazil, China, New Zealand, Pakistan, Thailand, United States of America, and South Africa

Conservation status

Eucalyptus tereticornis threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:593412-1
WFO ID wfo-0000956012
COL ID 3BQKX
BDTFX ID 101364
INPN ID 445841
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Leptospermum umbellatum Eucalyptus subulata Eucalyptus tereticornis Eucalyptus umbellata Eucalyptus coronata Eucalyptus insignis Eucalyptus populifolia Eucalyptus tereticornis var. brevirostris Eucalyptus tereticornis var. cineolifera Eucalyptus tereticornis var. pruiniflora Eucalyptus umbellata var. pruiniflora

Lower taxons

Eucalyptus tereticornis subsp. basaltica Eucalyptus tereticornis subsp. rotunda Eucalyptus tereticornis var. tereticornis Eucalyptus tereticornis subsp. tereticornis