Eucalyptus Andrews ( lat.Eucalyptus andrewsii ) is an evergreen tree , a species of the genus Eucalyptus ( Eucalyptus ) of the Myrtaceae family .
| Eucalyptus Andrews | |||||||||||||||||||||||||
 Eucalyptus andrewsii subsp. campanulata | |||||||||||||||||||||||||
| Scientific classification | |||||||||||||||||||||||||
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| International scientific name | |||||||||||||||||||||||||
Eucalyptus andrewsii maiden | |||||||||||||||||||||||||
Content
Distribution and Ecology
In nature , the range covers the southeast of Australia - the northern part of the New South Wales plateau and the southeastern part of the Queensland plateau.
It can withstand without significant damage short frosts of 7-8 °. Alpine races of this species will undoubtedly be more winter-hardy.
It grows in the mountains from 900 to 1200 m above sea level. It is found in abundance in many areas of the New England Ridge, where it reaches the largest sizes on the moist eastern slopes. On deep alluvial soils, it grows almost twice as fast as on dry clay slopes. In the first case, it reaches a height of 3.7-4 m in two years, and in the second only 2 m.
Botanical Description
A tree up to 55 m high and a trunk diameter of 2.5.
The bark is rough, fibrous, dark gray or reddish-brown, remaining on the trunk and large branches . Young twigs of gray.
Young leaves are opposite, in the amount of 6 pairs, on short petioles , from elliptical to widely lanceolate, green or bluish, 4-6 cm long, 2-4 cm wide. Intermediate leaves are alternate, petiolate, widely lanceolate, 10-20 cm long, wide 7-10 cm, leathery, slightly bluish. Adults - alternate, petiolate, widely lanceolate, sometimes sickle-curved, pointed, 10-12 cm long, 2-3 cm wide, on both sides dull green, sometimes bluish, with a minty odor.
Umbrellas are axillary or collected in apical, semi-panicles , 5-12- flowered , sitting on almost cylindrical legs up to 1.8 cm long; peduncle buds , club-shaped or almost spherical, 4-5 mm long, 4-5 mm in diameter, with a hemispherical cap, which is much shorter than the receptacle ; Anthers fused, kidney-shaped.
Fruits on the legs, hemispherical or almost spherical, 5-6 mm long and the same in diameter, with a flat or convex reddish disc and depressed or slightly extended leaflets.
Meaning and Application
The wood is light, relatively light, moderately strong, easily cracked, with a small number of vessels containing movie excreta; used as scaffolding, on planks, as well as on sleepers .
Leaves contain essential eucalyptus oil (1.25%).
Classification
Representatives
Within the species there are several subspecies [2] :
- Eucalyptus andrewsii subsp. andrewsii
- Eucalyptus andrewsii subsp. campanulata ( RTBaker & HGSm. ) LASJohnson & Blaxell
Taxonomy
Species of Eucalyptus Andrews is a member of the genus Eucalyptus ( Eucalyptus ) of the subfamily Myrtoideae of the Myrtaceae family of the Myrtales order .
| 13 more families (according to APG II System ) | 130 more births | |||||||||||||||
| Myrrhaceae order | subfamily Myrtle | View of Eucalyptus Andrews | ||||||||||||||
| Department of Flowering, or Angiosperms | Myrtov family | clan eucalyptus | ||||||||||||||
| 44 more order flowering plants (according to APG II System ) | 1 more subfamily (according to APG II System ) | more than 700 species | ||||||||||||||
Notes
- ↑ For the conventionality of specifying the class of dicotyledons as a superior taxon for the plant group described in this article, see the APG Systems section of the Dicotyledonous article .
- ↑ According to the APNI website (see the "Links" section).
Literature
- Trees and shrubs of the USSR. Wild, cultivated and promising for introduction. / Ed. volumes S. Ya. Sokolov . - M. - L .: Publishing House of the Academy of Sciences of the USSR , 1960. - T. V. Angiosperms. Families Myrtle - Olive. - S. 115-116. - 544 p. - 2200 copies.