familyMyrtaceae
genusEucalyptus
speciesEucalyptus tereticornis

Eucalyptus tereticornis

Smith

Spec. Bot. New Holland, 41. 1795.

Matt Ritter, Leslie R. Landrum
Common names: Forest red gum
Treatment appears in FNA Volume 10.

Trees, to 40 m; trunk gray or tan, nearly straight, ± smooth; bark usually shed in irregular strips distally, sometimes per­sistent toward trunk base. Leaves: (juvenile alternate, petiolate); petiole 0.3–2 cm; blade green, lanceolate, 6–20 × 1.5–2.5 cm. Peduncles 0.8–1.2 cm. Inflorescences ca. 7-flowered, umbels. Flowers: hypanthium hemispheric, 2–3 mm, calyptra 2–3 times as long as hypanthium; calyptra mostly conic-acuminate or horn-shaped; stamens white. Capsules hemispheric, 5–9 mm, not glaucous; valves 3–5, exserted.


Phenology: Flowering spring–summer.
Habitat: Disturbed coastal, urban areas.
Elevation: 0–200 m.

Distribution

Introduced; Calif., e Australia

Discussion

Eucalyptus tereticornis is known from the San Joaquin Valley, Outer South Coast Ranges, South Coast, northern Channel Islands, and Transverse and Peninsular ranges.

Selected References

None.

Lower Taxa

None.
... more about "Eucalyptus tereticornis"
RDF feed
Anther dehiscence
dehiscing +
Anther fixation
dorsifixed +  and basifixed +
Author
Matt Ritter +  and Leslie R. Landrum +
Authority
Smith +
Bark architecture or pubescence
scaly +
Bark architecture or pubescence or relief
smooth +
Bark duration
persistent +
Bark pubescence or relief
rough +
Blade architecture or shape
pinnate +
Blade base shape
cordate +
Blade coloration
green +
Blade length
6 cm60 mm <br />0.06 m <br /> (20 cm200 mm <br />0.2 m <br />) +
Blade prominence
faint +
Blade shape
lanceolate +
Blade surface coloration
glandular +
Blade texture
submembranous +, papery +  and leathery +
Blade width
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
Bract presence
absent +
Bracteole presence
absent +
Calyptra length
2-3 times as long as hypanthium +
Calyptra shape
horn--shaped +  and conic-acuminate +
Calyx lobe arrangement
imbricate +
Calyx lobe fusion
fused +  and distinct +
Calyx lobe variability
equaling +
Capsule architecture or shape
nutlike +
Capsule pubescence
not glaucous +
Capsule shape
hemispheric +
Capsule some measurement
0.5 cm5 mm <br />0.005 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Common name
Forest red gum +
Distribution
Calif. +  and e Australia +
Elevation
0–200 m. +
Embryo coating
oily +
Embryo texture
starchy +
Endosperm presence
absent +
Endosperm quantity
scant +
Flower architecture
pedicellate +, sessile +, 5-merous +  and 4-merous +
Flower architecture or arrangement or growth form
solitary +
Flower atypical quantity
0 (4) +
Flower position
epigynous +
Flower quantity
4 +
Flower reproduction
unisexual +  and bisexual +
Fruits capsule architecture
thick-walled +
Fruits capsule architecture or pubescence or relief
smooth +
Fruits capsule coloration
brown +  and gray +
Fruits capsule pubescence
not +  and glaucous +
Fruits capsule shape
urn--shaped +, cylindric +, globose +, subpyriform +, ovoid +, obconic +  and hemispheric +
Fruits capsule texture
woody +
Growth architecture or function or pubescence
glandular +
Growth life cycle
young +
Growth odor
aromatic +
Habitat
Disturbed coastal, urban areas. +
Hair architecture
simple +
Hypanthium length
prolonged +
Hypanthium shape
hemispheric +
Hypanthium some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Inflorescence architecture
7-flowered +
Inflorescence position
pseudoterminal +, terminal +  and axillary +
Introduced
true +
Lateral-vein course
straight +
Lateral-vein orientation
ascending +
Lateral-vein quantity
Several (?) +
Leaf architecture
sessile +  and heterophyllous +
Leaf arrangement
opposite +
Leaf duration
persistent +
Leaf life cycle
juvenile +
Leaf orientation
horizontal +
Margin architecture or shape
entire +
Margin shape
sinuate +
Number of lower taxa
0 +
Ovary architecture
carpellate +
Ovary architecture or structure in adjective form
3-6-locular +
Ovary placentation
axile +
Ovary position
basal +, subapical +  and inferior +
Ovule architecture
bitegmic +
Ovule architecture or arrangement
multiseriate +
Ovule arrangement
biseriate +
Ovule atypical quantity
300 (500) +
Ovule presence
absent +
Ovule quantity
10;100 +
Ovule reproduction
sterile +
Peduncle some measurement
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Perianth part fusion
fused +
Petal arrangement
imbricate +
Petal fusion
coherent +, fused +  and distinct +
Petiole some measurement
0.3 cm3 mm <br />0.003 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Phenology
Flowering spring–summer. +
Pistil quantity
1 +
Publication title
Spec. Bot. New Holland, +
Publication year
1795 +
Reference
None +
Seed-coat texture
bony +, hard +, leathery +  and membranous +
Seed density
dispersed +
Seed quantity
100 +
Seed shape
cuboid +
Seed some measurement
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Shrub architecture
unarmed +
Shrub growth form
clonal +
Shrub growth form or habitat
terrestrial +
Shrub orientation
erect +
Shrub pubescence
pubescent +  and glabrous +
Shrub reproduction
synoecious +
Stamen coloration
white +
Stamen prominence
showy +
Stamen quantity
10 +  and 720 +
Stamen reproduction
fertile +
Stigma quantity
1 +
Stipule derivation
true +
Strip architecture or course
irregular +
Style position relational
surrounding +
Style quantity
1 +
Surface architecture
petiolate +
Surface arrangement
alternate +
Surface life cycle
adult +
Surface orientation
vertical +
Surface pubescence
glaucous +
Taxon family
Myrtaceae +
Taxon name
Eucalyptus tereticornis +
Taxon parent
Eucalyptus +
Taxon rank
species +
Tree orientation
erect +
Tree pubescence
pubescent +  and glabrous +
Tree some measurement
0 cm0 mm <br />0 m <br /> (4,000 cm40,000 mm <br />40 m <br />) +
Trunk architecture or pubescence or relief
smooth +
Trunk coloration
tan +  and gray +
Trunk course
straight +
Unit architecture
open +
Valve position
exserted +
Valve quantity
3 (5) +
Volume
Volume 10 +
X chromosome quantity
11 +