Ocotea usambarensis
Encyclopedia
Ocotea usambarensis is a species of Ocotea
(family Lauraceae
), native to eastern Africa
in Kenya
, Tanzania
, and locally in Uganda
, where it occurs at 1600-2600 m altitude in high rainfall montane cloud forest
. Common names include East African Camphorwood, Mkulo (Tanzania), Mwiha (Uganda), Muwong, and Maasi.
It is a large evergreen
tree
growing to 35 m (exceptionally 45 m) tall, with fast growth (up to 2 m per year) when young. The leaves
are opposite (sometimes alternate on fast-growing stems), elliptic to oval, 4-16 cm long and 2.5-9 cm wide, dark green above, pale below, with an entire margin and an acuminate apex. The foliage has a distinct scent of camphor
. The flower
s are inconspicuous, greenish-yellow; the fruit
is a small drupe
1 cm long.
tree, valued for the resistance of its wood
to fungal decay.
Ocotea
Ocotea is a genus of flowering plants belonging to the family Lauraceae. The genus includes over 200 species of evergreen trees and shrubs, distributed mostly in tropical and subtropical regions of Central and South America, the West Indies, also with a few species in Africa and Madagascar, and...
(family Lauraceae
Lauraceae
The Lauraceae or Laurel family comprises a group of flowering plants included in the order Laurales. The family contains about 55 genera and over 3500, perhaps as many as 4000, species world-wide, mostly from warm or tropical regions, especially Southeast Asia and South America...
), native to eastern Africa
Africa
Africa is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...
in Kenya
Kenya
Kenya , officially known as the Republic of Kenya, is a country in East Africa that lies on the equator, with the Indian Ocean to its south-east...
, Tanzania
Tanzania
The United Republic of Tanzania is a country in East Africa bordered by Kenya and Uganda to the north, Rwanda, Burundi, and the Democratic Republic of the Congo to the west, and Zambia, Malawi, and Mozambique to the south. The country's eastern borders lie on the Indian Ocean.Tanzania is a state...
, and locally in Uganda
Uganda
Uganda , officially the Republic of Uganda, is a landlocked country in East Africa. Uganda is also known as the "Pearl of Africa". It is bordered on the east by Kenya, on the north by South Sudan, on the west by the Democratic Republic of the Congo, on the southwest by Rwanda, and on the south by...
, where it occurs at 1600-2600 m altitude in high rainfall montane cloud forest
Cloud forest
A cloud forest, also called a fog forest, is a generally tropical or subtropical evergreen montane moist forest characterized by a persistent, frequent or seasonal low-level cloud cover, usually at the canopy level. Cloud forests often exhibit an abundance of mosses covering the ground and...
. Common names include East African Camphorwood, Mkulo (Tanzania), Mwiha (Uganda), Muwong, and Maasi.
It is a large evergreen
Evergreen
In botany, an evergreen plant is a plant that has leaves in all seasons. This contrasts with deciduous plants, which completely lose their foliage during the winter or dry season.There are many different kinds of evergreen plants, both trees and shrubs...
tree
Tree
A tree is a perennial woody plant. It is most often defined as a woody plant that has many secondary branches supported clear of the ground on a single main stem or trunk with clear apical dominance. A minimum height specification at maturity is cited by some authors, varying from 3 m to...
growing to 35 m (exceptionally 45 m) tall, with fast growth (up to 2 m per year) when young. The leaves
Leaf
A leaf is an organ of a vascular plant, as defined in botanical terms, and in particular in plant morphology. Foliage is a mass noun that refers to leaves as a feature of plants....
are opposite (sometimes alternate on fast-growing stems), elliptic to oval, 4-16 cm long and 2.5-9 cm wide, dark green above, pale below, with an entire margin and an acuminate apex. The foliage has a distinct scent of camphor
Camphor
Camphor is a waxy, white or transparent solid with a strong, aromatic odor. It is a terpenoid with the chemical formula C10H16O. It is found in wood of the camphor laurel , a large evergreen tree found in Asia and also of Dryobalanops aromatica, a giant of the Bornean forests...
. The flower
Flower
A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants . The biological function of a flower is to effect reproduction, usually by providing a mechanism for the union of sperm with eggs...
s are inconspicuous, greenish-yellow; the fruit
Fruit
In broad terms, a fruit is a structure of a plant that contains its seeds.The term has different meanings dependent on context. In non-technical usage, such as food preparation, fruit normally means the fleshy seed-associated structures of certain plants that are sweet and edible in the raw state,...
is a small drupe
Drupe
In botany, a drupe is a fruit in which an outer fleshy part surrounds a shell of hardened endocarp with a seed inside. These fruits develop from a single carpel, and mostly from flowers with superior ovaries...
1 cm long.
Uses
It is an important timberTimber
Timber may refer to:* Timber, a term common in the United Kingdom and Australia for wood materials * Timber, Oregon, an unincorporated community in the U.S...
tree, valued for the resistance of its wood
Wood
Wood is a hard, fibrous tissue found in many trees. It has been used for hundreds of thousands of years for both fuel and as a construction material. It is an organic material, a natural composite of cellulose fibers embedded in a matrix of lignin which resists compression...
to fungal decay.